Patents-Review.com
ClassID:

92019 ⎘

C07C63/26 - CPC Classification

Classification description:

Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings; Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring 1,4 - Benzenedicarboxylic acid

Sub-classes:
Recent Application in this class:
#1
20260035624
2026-02-05

RECYCLED CONTENT PARAXYLENE AND RELATED CHEMICAL COMPOUNDS FROM WASTE PLASTIC

 #2
20260015310
2026-01-15

Crude terephthalic acid hydrorefining catalyst, preparation method therefor, and application thereof

 #3
20250388822
2025-12-25

METHODS FOR PRODUCING MONOCYCLIC AROMATIC HYDROCARBON, TEREPHTHALIC ACID, AND POLYETHYLENE TEREPHTHALATE, AND MANAGEMENT METHODS THEREFOR

 #4
20250304520
2025-10-02

CHEMO-MECHANCIAL RECYCLING SYSTEM & METHOD FOR POST-CONSUMER, METALIZED MULTI-LAYERED PLASTIC PACKAGING (MLP)

 #5
20250122141
2025-04-17

CHEMICAL RECYCLING DEVICE AND CHEMICAL RECYCLING MOLDING SYSTEM

 #6
20250091978
2025-03-20

METHOD FOR PREPARING TEREPHTHALIC ACID, AND TEREPHTHALIC ACID PREPARED THEREFROM

 #7
20240327603
2024-10-03

Methods for Recycling Cotton and Polyester Fibers from Waste Textiles

 #8
20230192587
2023-06-22

CO-PRODUCTION OF MONOMERS, INCLUDING AT LEAST ONE BIO-BASED MONOMER

 #9
20220348736
2022-11-03

Methods for recycling cotton and polyester fibers from waste textiles

 #10
20220267244
2022-08-25

Process for producing dimethyl 2,3,5,6-tetrachloro-1,4-benzenedicarboxylate

 #11
20210221699
2021-07-22

Method of preparing sparsely pillared organic-inorganic hybrid compound

 #12
20210094898
2021-04-01

Method for manufacturing terephthalic acid

 #13
20210087132
2021-03-25

Method of reducing impurities in a catalyst for producing terephthalic acid

 #14
20210017353
2021-01-21

Method of obtaining terephthalic acid from waste polyethylene terephthalate

 #15
20200407530
2020-12-31

Methods for recycling cotton and polyester fibers from waste textiles

 #16
20200216380
2020-07-09

Routing of purified aromatic carboxylic acid filter rinse for energy optimization

 #17
20200157034
2020-05-21

CTA solvent exchanging method

 #18
20200095395
2020-03-26

Methods for recycling cotton and polyester fibers from waste textiles

 #19
20190233361
2019-08-01

Method for producing high-purity terephthalic acid

 #20
20190233360
2019-08-01

Methods for Production of Aromatic Dicarboxylic Acids and Derivatives Thereof

 #21
20190225569
2019-07-25

Method of recycling mother liquid of pure terephthalic acid (PTA) refining unit

 #22
20190218362
2019-07-18

Methods for recycling cotton and polyester fibers from waste textiles

 #23
20190169109
2019-06-06

Method of producing terephthalic acid

 #24
20190032095
2019-01-31

MICROORGANISMS AND PROCESSES FOR PRODUCING TEREPHTHALIC ACID AND ITS SALTS

 #25
20180370894
2018-12-27

Polyethylene terephthalate depolymerization

 #26
20180312460
2018-11-01

Using pressurized wet gas lines to avoid fouling in purified terephthalic acid (PTA) filters and lines

 #27
20180297933
2018-10-18

PROCESS FOR PREPARING A DIAMINE/DICARBOXYLIC ACID SALT

 #28
20180282631
2018-10-04

Process for producing aromatics, p-xylene and terephthalic acid

 #29
20180282256
2018-10-04

Process for producing aromatics, p-xylene and terephthalic acid, and device for producing aromatics

 #30
20180273463
2018-09-27

CATALYST HAVING A MODIFIED SILICON CARBIDE SUPPORT AND ITS USE AS A HYDROGENATION CATALYST

 #31
20180230078
2018-08-16

Method for producing high-purity terephthalic acid

 #32
20180186719
2018-07-05

Purified terephthalic acid (PTA) vent steam utilization

 #33
20180186718
2018-07-05

Purified terephthalic acid (PTA) vent dryer vapor effluent treatment

 #34
20180105480
2018-04-19

Methods for production of aromatic dicarboxylic acids and derivatives thereof

 #35
20180072869
2018-03-15

ANTIBACTERIAL POLMER MATERIAL, MANUFACTURING METHOD THEREOF, AND PRODUCT APPLYING THE SAME

 #36
20180072648
2018-03-15

Optimized liquid-phase oxidation

 #37
20170291912
2017-10-12

Process for preparing a zirconium-based metal organic framework

 #38
20170283556
2017-10-05

POLYAMIDE-BASED THERMOPLASTIC ELASTOMER COMPOSITION AND MOLDED ARTICLE THEREOF

 #39
20170183285
2017-06-29

Solvent exchanger and method for improving the exchange efficiency of CTA solvent

 #40
20170081269
2017-03-23

Method for processing acetic acid solvent in oxidising unit of PTA industrial apparatus

 #41
20150344414
2015-12-03

Copolymer, and method for preparing a monomer used to form the copolymer

 #42
20150301446
2015-10-22

Monomer for hardmask composition, hardmask composition including said monomer, and method for forming pattern using said hardmask composition

 #43
20150256366
2015-09-10

Technologies for configuring transmitter equalization in a communication system

 #44
20150256365
2015-09-10

Technologies for configuring transmitter equalization in a communication system

 #45
20150183710
2015-07-02

High-pressure condensate recycle in the manufacture of purified aromatic carboxylic acids

 #46
20130345467
2013-12-26

Processes for producing terephthalic acid and terephthalic esters

 #47
20130172613
2013-07-04

Process for oxidizing alkyl-aromatic compounds

 #48
20130172612
2013-07-04

Process for oxidizing alkyl-aromatic compounds

 #49
20130172611
2013-07-04

Process for producing terephthalic acid

 #50
20130172610
2013-07-04

Process for oxidizing alkyl-aromatic compounds

 #51
20130172609
2013-07-04

PROCESS FOR OXIDIZING AN ALKYL-AROMATIC COMPOUND

 #52
20130172608
2013-07-04

Process for oxidizing an alkyl-aromatic compound

 #53
20130172607
2013-07-04

Process for producing terephthalic acid

 #54
20130172606
2013-07-04

Process for producing terephthalic acid

 #55
20130172605
2013-07-04

Process for producing terephthalic acid

 #56
20130144084
2013-06-06

Method for preparing carboxylic acids

 #57
20130053573
2013-02-28

2,4,5-TRIAMINOPHENOLS AND RELATED COMPOUNDS

 #58
20130046109
2013-02-21

INTEGRATED PROCESSES FOR THE PREPARATION OF POLYBENZIMIDAZOLE PRECURSORS

 #59
20130041175
2013-02-14

Process for oxidizing alkyl aromatic compounds

 #60
20120326082
2012-12-27

Pretreatment method for chelate resin having pyridine ring used for collecting catalyst in aromatic carboxylic acid production process

 #61
20120323055
2012-12-20

Renewable compositions

 #62
20120323039
2012-12-20

Carboxylic acid production process employing solvent from esterification of lignocellulosic material

 #63
20120322929
2012-12-20

Pretreatment method for chelate resin having pyridine ring used for collecting catalyst in terephthalic acid production process

 #64
20120259146
2012-10-11

Renewable compositions

 #65
20120238787
2012-09-20

Renewable compositions

 #66
20120220800
2012-08-30

Process and apparatus for manufacturing pure forms of aromatic carboxylic acids

 #67
20120202965
2012-08-09

Integrated co-production of dicarboxylic acids

 #68
20120178964
2012-07-12

Catalyst, Use Thereof and Process of Hydrogenating Aryl Aldehydes

 #69
20120167761
2012-07-05

Method of using a metal organic frameworks based on aluminum fumarate

 #70
20120142962
2012-06-07

Methods, processes, and systems for treating and purifying crude terephthalic acid and associated process streams

 #71
20120078021
2012-03-29

Anti-agglomerate gas hydrate inhibitors for use in petroleum and natural gas systems

 #72
20120071671
2012-03-22

CATALYST AND METHOD FOR PARTIALLY OXIDIZING HYDROCARBONS

 #73
20120058024
2012-03-08

SYSTEM AND PROCESS FOR PRODUCTION OF BENZOIC ACIDS AND PHTHALIC ACIDS

 #74
20120046493
2012-02-23

Terephthalic acid purge filtration rate by controlling % water in filter feed slurry

 #75
20120043197
2012-02-23

Terephthalic acid purge filtration rate by controlling % water in filter feed slurry

 #76
20120042752
2012-02-23

Terephthalic acid purge filtration rate by controlling % water in filter feed slurry

 #77
20120004456
2012-01-05

Process for purifying terephthalic acid

 #78
20120004455
2012-01-05

Solid terephthalic acid composition

 #79
20120004454
2012-01-05

Mixtures used in oxidizing alkyl aromatic compounds

 #80
20120004451
2012-01-05

Process for producing terephthalic acid

 #81
20120004450
2012-01-05

Process for producing terephthalic acid

 #82
20120004449
2012-01-05

Process for oxidizing alkyl aromatic compounds

 #83
20120004448
2012-01-05

Process for oxidizing alkyl aromatic compounds

 #84
20110269991
2011-11-03

Pure carboxylic acid filtration

 #85
20110256037
2011-10-20

Optimized liquid-phase oxidation

 #86
20110213181
2011-09-01

Process for production of terephthalic acid

 #87
20110190538
2011-08-04

Oxidation system with sidedraw secondary reactor

 #88
20110190537
2011-08-04

Oxidation system with sidedraw secondary reactor

 #89
20110190536
2011-08-04

Oxidation system with sidedraw secondary reactor

 #90
20110184208
2011-07-28

CATALYTIC OXIDATION REACTIONS IN SUPERCRITICAL OR NEAR-SUPERCRITICAL WATER FOR THE PRODUCTION OF AN AROMATIC CARBOXYLIC ACID

 #91
20110108763
2011-05-12

Catalyst systems for the production of acids

 #92
20110087000
2011-04-14

Integrated Process to Selectively Convert Renewable Isobutanol to P-Xylene

 #93
20110071313
2011-03-24

Process for producing aromatic carboxylic acid

 #94
20110057147
2011-03-10

Systems and processes for the production of isophthalic acid and terephthalic acid

 #95
20110040121
2011-02-17

Process for producing purified terephthalic acid

 #96
20110033347
2011-02-10

OXIDATION REACTOR FOR MANUFACTURING OF CRUDE TEREPHTHALIC ACID

 #97
20100331568
2010-12-30

Carbohydrate route to para-xylene and terephthalic acid

 #98
20100324308
2010-12-23

High shear system and method for the production of acids

 #99
20100317869
2010-12-16

IMMOBILIZED CYCLIC IMIDE CATALYST AND PROCESS FOR OXIDATION OF ORGANIC COMPOUNDS WITH THE SAME

 #100
20100305357
2010-12-02

Optimized liquid-phase oxidation

 #101
20100298524
2010-11-25

PROCESS FOR PRODUCING A LIQUID MIXTURE OF TEREPHTHALIC ACID WITH ALKYLENE GLYCOL

 #102
20100239512
2010-09-23

Adsorption and release of nitric oxide in metal organic frameworks

 #103
20100234637
2010-09-16

INTEGRATED PROCESS TO COPRODUCE AROMATIC HYDROCARBONS AND ETHYLENE AND PROPYLENE

 #104
20100200804
2010-08-12

Oxidation system with sidedraw secondary reactor

 #105
20100174111
2010-07-08

Process for purification of aryl carboxylic acids

 #106
20100168461
2010-07-01

Bio-Based Terephthalate Polyesters

 #107
20100168372
2010-07-01

Bio-based terephthalate polyesters

 #108
20100145095
2010-06-10

Optimized liquid-phase oxidation

 #109
20100145094
2010-06-10

Process and catalyst for oxidizing aromatic compounds

 #110
20100143217
2010-06-10

Optimized liquid-phase oxidation

 #111
20100133088
2010-06-03

METHOD FOR THE CHEMICAL DEPOLYMERIZATION OF WASTE POLYETHYLENE TEREPHTHALATE

 #112
20100113826
2010-05-06

Dicarboxylic acid production with enhanced energy recovery

 #113
20100113825
2010-05-06

Dicarboxylic acid production with direct fired off-gas heating

 #114
20100113824
2010-05-06

Dicarboxylic acid production with self-fuel oxidative destruction

 #115
20100113735
2010-05-06

Integrated Co-Production of Dicarboxylic Acids

 #116
20100087676
2010-04-08

ENVIRONMENTALLY BENIGN AND SIMPLIFIED METHOD FOR PREPARATION OF AROMATIC DICARBOXYLIC ACID

 #117
20100087675
2010-04-08

Dicarboxylic acid production with minimal wastewater generation

 #118
20100038231
2010-02-18

Process for recovering terephthalic acid

 #119
20100020088
2010-01-28

GRAPHICS RENDERING DEVICE AND GRAPHICS RENDERING METHOD

 #120
20100016629
2010-01-21

PROCESS FOR PRODUCTION OF TEREPHTHALIC ACID

 #121
20100012887
2010-01-21

Method of replacing dispersion medium

 #122
20090326265
2009-12-31

Process for preparing aromatic polycarboxylic acid by liquid phase oxidation

 #123
20090326264
2009-12-31

Method of reducing inflow of water from a reactor outlet gas to a dehydration tower for separating carboxylic acid solvent and water

 #124
20090317575
2009-12-24

Enriched terephthalic acid composition

 #125
20090317306
2009-12-24

Optimized liquid-phase oxidation

 #126
20090305040
2009-12-10

Metal oxides from metal-organic framework materials

 #127
20090287017
2009-11-19

RECOVERY OF AROMATIC DICARBOXLYIC ACIDS FROM WASTE POLYESTER RESIN

 #128
20090275777
2009-11-05

Carboxylic acid production process employing solvent from esterification of lignocellulosic material

 #129
20090272941
2009-11-05

Enriched terephthalic acid composition

 #130
20090259069
2009-10-15

Optimized liquid-phase oxidation

 #131
20090257930
2009-10-15

Optimized liquid-phase oxidation

 #132
20090234156
2009-09-17

Process and apparatus for manufacturing pure forms of aromatic carboxylic acids

 #133
20090182169
2009-07-16

Method of crystallization

 #134
20090171113
2009-07-02

Ethanolysis of PET to Form DET and Oxidation Thereof

 #135
20090155143
2009-06-18

Optimized liquid-phase oxidation

 #136
20090149562
2009-06-11

PURIFICATION OF A DISTILLED BOTTOM PRODUCT CONTAINING (METH)ACRYLIC ACID BY MEANS OF A CRYSTALLIZATION PROCESS

 #137
20090136398
2009-05-28

Optimized liquid-phase oxidation

 #138
20090136397
2009-05-28

Optimized Liquid-Phase Oxidation

 #139
20090124829
2009-05-14

Terephthalic acid composition and process for the production thereof

 #140
20090118536
2009-05-07

Process for the Production of Aromatic Carboxylic Acids in Water

 #141
20090099388
2009-04-16

RECOVERY OF AROMATIC DICARBOXYLIC ACIDS FROM WASTE POLYESTER RESIN IN THE PRESENCE OF A POLYAMIDE

 #142
20090092818
2009-04-09

ORGANOMETALLIC ALUMINUM FUMARATE BACKBONE MATERIAL

 #143
20090088586
2009-04-02

Catalyst and method for preparing aromatic carboxylic acids

 #144
20090088585
2009-04-02

Process and catalyst for oxidizing aromatic compounds

 #145
20090069594
2009-03-12

Process and Catalyst for Oxidizing Aromatic Compounds

 #146
20090062563
2009-03-05

Process for preparing aromatic carboxylic acids

 #147
20090039568
2009-02-12

Integrated polyester production facility

 #148
20090026415
2009-01-29

Process to produce an enriched composition

 #149
20090018361
2009-01-15

PROCESS OF PRODUCING HIGH PURITY TEREPHTHALIC ACID

 #150
20090005591
2009-01-01

System and process for production of benzoic acids and phthalic acids

 #151
20080293964
2008-11-27

Process for Preparing High Purity Terephthalic Acid

 #152
20080275271
2008-11-06

Process for preparing purified terephthalic acid

 #153
20080242887
2008-10-02

Optimized liquid-phase oxidation

 #154
20080194866
2008-08-14

Process for the production of high purity aromatic carboxylic acids using a benzoic acid and water solvent for oxidation and purification

 #155
20080194865
2008-08-14

Recovery of energy during the production of aromatic carboxylic acids

 #156
20080194864
2008-08-14

Optimized liquid-phase oxidation

 #157
20080161599
2008-07-03

Optimized production of aromatic dicarboxylic acids

 #158
20080161598
2008-07-03

Optimized Production of Aromatic Dicarboxylic Acids

 #159
20080159929
2008-07-03

Optimized production of aromatic dicarboxylic acids

 #160
20080159926
2008-07-03

Optimized production of aromatic dicarboxylic acids

 #161
20080149533
2008-06-26

One-pot process for the reduction of sulfur, nitrogen and the production of useful oxygenates from hydrocarbon materials via one-pot selective oxidation

 #162
20080139841
2008-06-12

Cobalt-catalyzed oxidations in volumetrically expanded liquids by compressed gases

 #163
20080121565
2008-05-29

Process for the reduction of sulfur, nitrogen and the production of useful oxygenates from hydrocarbon materials via one-pot selective oxidation

 #164
20080103333
2008-05-01

Process for purification of aromatic carboxylic acids

 #165
20080097120
2008-04-24

Process for chemical recycling of post consumption poly(ethylene terephthalate) and apparatus for chemical recycling of post consumption polyethylene terephthalate

 #166
20080097118
2008-04-24

Process and apparatus for manufacturing aromatic carboxylic acids including pure forms thereof

 #167
20080091043
2008-04-17

PROCESS FOR PREPARING AN ORGANIC ACID OR ITS DERIVATIVES USING A HOMOGENEOUS MC-TYPE CATALYST AND AN O2/CO2 MIXTURE

 #168
20080039650
2008-02-14

Versatile oxidation byproduct purge process

 #169
20080039649
2008-02-14

Versatile oxidation byproduct purge process

 #170
20080039648
2008-02-14

Versatile oxidation byproduct purge process

 #171
20080031789
2008-02-07

Optimized liquid-phase oxidation

 #172
20080027243
2008-01-31

Versatile oxidation byproduct purge process

 #173
20080025887
2008-01-31

Reactor for the efficient oxidation of alkyl aromatic compounds

 #174
20080009650
2008-01-10

Process to produce an enrichment feed

 #175
20070299150
2007-12-27

Method for recycling pet bottle

 #176
20070293699
2007-12-20

Optimized Liquid-Phase Oxidation

 #177
20070293697
2007-12-20

Optimized Liquid-Phase Oxidation

 #178
20070292323
2007-12-20

Optimized liquid-phase oxidation

 #179
20070292320
2007-12-20

Oxidation system with internal secondary reactor

 #180
20070292319
2007-12-20

Oxidation system with sidedraw secondary reactor

 #181
20070284317
2007-12-13

Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration

 #182
20070276155
2007-11-29

Process for energy recovery and water removal in the preparation of aromatic carboxylic acids

 #183
20070244340
2007-10-18

Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestion

 #184
20070238899
2007-10-11

Optimized production of aromatic dicarboxylic acids

 #185
20070219393
2007-09-20

Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion

 #186
20070219392
2007-09-20

Polycarboxylic acid production system with enhanced heating for oxidative digestion

 #187
20070219339
2007-09-20

Chemical process for recycling polyethylene terephthalate (PET) waste

 #188
20070213557
2007-09-13

Separator, reactor, and method for producing aromatic carboxylic acids

 #189
20070208200
2007-09-06

Methods and apparatus for producing a low-moisture carboxylic acid wet cake

 #190
20070208199
2007-09-06

Methods and apparatus for isolating carboxylic acid

 #191
20070208198
2007-09-06

Methods and apparatus for isolating carboxylic acid

 #192
20070208197
2007-09-06

Carboxylic acid production process

 #193
20070208196
2007-09-06

Method and apparatus for drying carboxylic acid

 #194
20070208195
2007-09-06

Carboxylic acid production process

 #195
20070208194
2007-09-06

Oxidation system with sidedraw secondary reactor

 #196
20070208193
2007-09-06

Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system

 #197
20070208192
2007-09-06

Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion

 #198
20070208191
2007-09-06

Polycarboxylic acid production system employing enhanced multistage oxidative digestion

 #199
20070208190
2007-09-06

Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange

 #200
20070205153
2007-09-06

Process to produce a post catalyst removal composition

 #201
20070204479
2007-09-06

Method and apparatus for drying carboxylic acid

 #202
20070203361
2007-08-30

Versatile oxidation byproduct purge process

 #203
20070203360
2007-08-30

Versatile oxidation byproduct purge process

 #204
20070203359
2007-08-30

Versatile oxidation byproduct purge process

 #205
20070191634
2007-08-16

Methods for producing aromatic carboxylic acids

 #206
20070185347
2007-08-09

Optimized liquid-phase oxidation

 #207
20070179313
2007-08-02

Method for extracting slurry

 #208
20070179312
2007-08-02

Process for the purification of a crude carboxylic axid slurry

 #209
20070155987
2007-07-05

Oxidative digestion with optimized agitation

 #210
20070155986
2007-07-05

Oxidation system employing internal structure for enhanced hydrodynamics

 #211
20070155985
2007-07-05

Oxidation system with internal secondary reactor

 #212
20070129568
2007-06-07

Ionic liquids

 #213
20070068792
2007-03-29

System and method for acetic acid dehydration

 #214
20070038003
2007-02-15

Process for removal of benzoic acid from an oxidizer purge stream

 #215
20070038002
2007-02-15

Process for removal of benzoic acid from an oxidizer purge stream

 #216
20070027340
2007-02-01

Azeotropic distillation process for separating acetic acid, methylacetate and water in the production of an aromatic carboxylic acid

 #217
20070015935
2007-01-18

Method for producing high purity terephthalic acid

 #218
20060287552
2006-12-21

Optimized liquid-phase oxidation

 #219
20060281629
2006-12-14

Catalyst comprising N-substituted cyclic imide compound and process for producing organic compound using the catalyst

 #220
20060264666
2006-11-23

Enriched terephthalic acid composition

 #221
20060264663
2006-11-23

Enriched carboxylic acid composition

 #222
20060264662
2006-11-23

Esterification of an enriched composition

 #223
20060264661
2006-11-23

Process to produce an enrichment feed

 #224
20060264660
2006-11-23

Process to produce a post catalyst removal composition

 #225
20060264659
2006-11-23

Process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone

 #226
20060264658
2006-11-23

Process to produce an enriched composition

 #227
20060264657
2006-11-23

Process to enrich a carboxylic acid composition

 #228
20060264656
2006-11-23

Enrichment process using compounds useful in a polyester process

 #229
20060245992
2006-11-02

Fixed-bed shell-and-tube reactor and its usage

 #230
20060245991
2006-11-02

Processes employing multiple successive chemical reaction process steps and apparatus therefore

 #231
20060235242
2006-10-19

Recovering method of acetic acid from effluent of terephthalic acid production process

 #232
20060205977
2006-09-14

Processes for producing terephthalic acid

 #233
20060205976
2006-09-14

Optimized liquid-phase oxidation

 #234
20060205975
2006-09-14

Processes for producing aromatic dicarboxylic acids

 #235
20060205974
2006-09-14

Processes for producing aromatic dicarboxylic acids

 #236
20060154810
2006-07-13

Hydrogenation catalyst, its preparation and use

 #237
20060135811
2006-06-22

Separator for producing aromatic carboxylic acids

 #238
20060128987
2006-06-15

Process for the oxidative purification of terephthalic acid

 #239
20060116531
2006-06-01

Modeling of liquid-phase oxidation

 #240
20060116530
2006-06-01

Optimized liquid-phase oxidation

 #241
20060094901
2006-05-04

Process for the production of carboxylic acids

 #242
20060084824
2006-04-20

Method for oxidizing a slurry composition in a post oxidation zone in the presence of added steam

 #243
20060058551
2006-03-16

Method of purifying aromatic polycarboxylic acid

 #244
20060047166
2006-03-02

Optimized production of aromatic dicarboxylic acids

 #245
20060047165
2006-03-02

Optimized production of aromatic dicarboxylic acids

 #246
20060047164
2006-03-02

Optimized production of aromatic dicarboxylic acids

 #247
20060047163
2006-03-02

Optimized liquid-phase oxidation

 #248
20060047162
2006-03-02

Optimized liquid-phase oxidation

 #249
20060047161
2006-03-02

Optimized liquid-phase oxidation

 #250
20060047160
2006-03-02

Optimized liquid-phase oxidation

 #251
20060047159
2006-03-02

Optimized liquid-phase oxidation

 #252
20060047158
2006-03-02

Optimized liquid-phase oxidation

 #253
20060047157
2006-03-02

Optimized liquid-phase oxidation

 #254
20060047156
2006-03-02

Optimized liquid-phase oxidation

 #255
20060047155
2006-03-02

Optimized liquid-phase oxidation

 #256
20060047154
2006-03-02

Optimized liquid-phase oxidation

 #257
20060047153
2006-03-02

Optimized liquid-phase oxidation

 #258
20060047152
2006-03-02

Optimized liquid-phase oxidation

 #259
20060047151
2006-03-02

Optimized liquid-phase oxidation

 #260
20060047150
2006-03-02

Optimized liquid-phase oxidation

 #261
20060047149
2006-03-02

Optimized liquid-phase oxidation

 #262
20060047148
2006-03-02

Optimized liquid-phase oxidation

 #263
20060047147
2006-03-02

Optimized liquid-phase oxidation

 #264
20060047146
2006-03-02

Optimized liquid-phase oxidation

 #265
20060047145
2006-03-02

Optimized liquid-phase oxidation

 #266
20060047144
2006-03-02

Optimized liquid-phase oxidation

 #267
20060047143
2006-03-02

Optimized liquid-phase oxidation

 #268
20060047142
2006-03-02

Optimized liquid-phase oxidation

 #269
20060030716
2006-02-09

Catalyst comprising cyclic acylurea compound and process for producing organic compounds using the catalyst

 #270
20060014979
2006-01-19

Process for producing terephthalic acid

 #271
20050288527
2005-12-29

Method for preparing free-flowing crystalline material

 #272
20050283022
2005-12-22

Filtrate preparation process for terephthalic acid filtrate treatment

 #273
20050272951
2005-12-08

Process for the separation of the water produced in the catalytic oxidation of aromatic hydrocarbons to polycarboxylic aromatic acids

 #274
20050240055
2005-10-27

Liquid phase oxidation of P-xylene to terephthalic acid in the presence of a catalyst system containing nickel, manganese, and bromine atoms

 #275
20050228204
2005-10-13

Process for the preparation of xylene

 #276
20050228195
2005-10-13

Purification of carboxylic acids by complexation with selective solvents

 #277
20050228164
2005-10-13

Process for production of a carboxylic acid/diol mixture suitable for use in polyester production

 #278
20050192459
2005-09-01

Oxidation of aromatic hydrocarbons using brominated anthracene promoters

 #279
20050176992
2005-08-11

Steam recompression in carboxylic acid processes

 #280
20050159617
2005-07-21

Process for production of a carboxylic acid/diol mixture suitable for use in polyester production

 #281
20050159616
2005-07-21

Process for production of a dried carboxylic acid cake suitable for use in polyester production

 #282
20050159578
2005-07-21

Process for production of a carboxylic acid/diol mixture suitable for use in polyester production

 #283
20050154179
2005-07-14

Process for production of a carboxylic acid/diol mixture suitable for use in polyester production

 #284
20050137420
2005-06-23

Anthracene and other polycyclic aromatics as activators in the oxidation of aromatic hydrocarbons

 #285
20050113603
2005-05-26

Method of removing iron oxide deposits from the surface of titanium components

 #286
20050107630
2005-05-19

Staged countercurrent oxidation

 #287
20050084432
2005-04-21

Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid

 #288
20050065373
2005-03-24

Process for the purification of a crude carboxylic acid slurry

 #289
20050038288
2005-02-17

Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid

 #290
20050020439
2005-01-27

Catalyst comprising cyclic acylurea compounds and processes for production organic compounds with the same

 #291
20050010066
2005-01-13

Process for energy recovery in processes for the preparation of aromatic carboxylic acids

 #292
20050004390
2005-01-06

Method for recycling pet bottle