ClassID:

99348

C08G63/80 - CPC Classification

Classification description:

Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule; Preparation processes Solid-state polycondensation

Recent Application in this class:
#1
20250236703
2025-07-24

METHOD FOR PRODUCING POLYESTER COPOLYMER USING REUSED BIS-2-HYDROXYETHYL TEREPHTHALATE

#2
20250188280
2025-06-12

COMPOSITION AND FILM

#3
20250188217
2025-06-12

TOUGHENED BRANCHED POLY(HYDROXYACID) COMPOSITION

#4
20250051514
2025-02-13

PROCESS FOR THE PRODUCTION OF A POLYESTER HAVING A REDUCED CRYSTALLIZATION TEMPERATURE

#5
20250051513
2025-02-13

POLYESTER RESIN AND PREPARATION METHOD THEREFOR

#6
20240368362
2024-11-07

POLYESTER FILM AND PREPARATION METHOD THEREOF

#7
20240336731
2024-10-10

PROCESS FOR THE PRODUCTION OF POLYESTER COPOLYMERS

#8
20240287248
2024-08-29

PRODUCTION OF RECYCLED POLYESTERS FROM POLYESTER WASTE THROUGH CHEMICAL RECYCLING METHODOLOGY

#9
20240166807
2024-05-23

POLYETHYLENE TEREPHTHALATE (PET) COPOLYESTER AND MANUFACTURING METHOD THEREOF

#10
20240132694
2024-04-25

POLYMERISATION

#11
20240124643
2024-04-18

METHOD FOR PRODUCING POLYESTER POLYOL

#12
20240110033
2024-04-04

PROCESS FOR PRODUCING BAS(2-HYDROXYETHYL) TEREPHTHALATE IN LIQUID FORM BY DEPOLYMERIZATION OF POLYETHYLENE TEREPHTHALATE (PET)

#13
20240076445
2024-03-07

Method for Making Polymers by Transesterification of Polyols and Alkyl Esters of Polycarboxylic Acids, Polymers and Copolymers Made Thereby and Polymeric and Copolymeric Articles

#14
20240052532
2024-02-15

LOW-THERMAL-SHRINKAGE POLYESTER INDUSTRIAL YARN AND PREPARATION METHOD THEREOF

#15
20240052529
2024-02-15

High-strength thermal-stability polyester industrial yarn and preparation method thereof

#16
20230399461
2023-12-14

POLYESTER COPOLYMER HAVING EXCELLENT STRENGTH, AND PRODUCT COMPRISING THE SAME

#17
20230365747
2023-11-16

A POLYESTER RESIN, A HOLLOW MOLDED BODY FORMED THEREFROM, AND A PRODUCTION METHOD THEREFOR

#18
20230323022
2023-10-12

Polyester and molded article

#19
20230272161
2023-08-31

PPREPARING POLYESTER COMPRISING 2,5-FURANDICARBOXYLATE UNITS WITH GERMANIUM CATALYST

#20
20230272160
2023-08-31

PROCESS FOR PRODUCING POLYESTER COMPRISING 2,5-FURANDICARBOXYLATE UNITS

#21
20230250228
2023-08-10

POLYESTER RESIN AND METHOD FOR PRODUCING BLOW-MOLDED PRODUCT MADE OF POLYESTER RESIN

#22
20230203244
2023-06-29

A METHOD FOR IMPROVING L* COLOR IN A PET POLYMER

#23
20230192945
2023-06-22

TUFTED CARPET INCLUDING POLYETHYLENETEREPHTHALATE BULKED CONTINUOUS FILAMENT

#24
20230055144
2023-02-23

LIQUID CRYSTAL POLYESTER FIBERS AND METHOD FOR PRODUCING SAME

#25
20220380595
2022-12-01

Polyester container and manufacturing method therefor

#26
20220332940
2022-10-20

POLYESTER COMPOSITION AND METHOD FOR PREPARING THE SAME, PRODUCT AND APPLICATION

#27
20220267514
2022-08-25

Method for crystallizing a polyester comprising at least one 1,4:3,6-dianhydrohexitol unit

#28
20220243005
2022-08-04

Biodegradable resin composition having improved mechanical property, formability, and weatherproof and method for manufacturing the same

#29
20220195113
2022-06-23

PROCESS FOR PURIFYING AN ALIPHATIC-AROMATIC POLYESTER

#30
20220135735
2022-05-05

Process for the production of a terephthalate polyester from a monomer mixture comprising a diester

#31
20220119602
2022-04-21

Polyester film and preparation method thereof

#32
20220106440
2022-04-07

METHOD TO PREPARE BRANCHED POLYMERS OF LACTIC ACID

#33
20220033573
2022-02-03

Bifuran-modified polyesters

#34
20220002479
2022-01-06

METHOD FOR CRYSTALLIZING A POLYESTER COMPRISING AT LEAST ONE 1,4:3,6-DIANHYDROHEXITOL UNIT

#35
20210395448
2021-12-23

LAMINATED IRON USED FOR FOOD PACKAGING AND HAVING DURABLE AND HIGH SURFACE TENSION FORCE, AND PREPARATION METHOD

#36
20210380758
2021-12-09

Method for Making Polymers by Transesterification of Polyols and Alkyl Esters of Polycarboxylic Acids, Polymers and Copolymers Made Thereby and Polymeric and Copolymeric Articles

#37
20210371646
2021-12-02

Resin composition capable of relaxing anisotropy by fusing and resin molded article comprising the same

#38
20210355609
2021-11-18

Polyester yarn for industrial sewing thread and preparing method thereof

#39
20210355271
2021-11-18

Bifuran polyesters

#40
20210253787
2021-08-19

PET POLYMER WITH AN ANTI-CRYSTALLIZATION COMONOMER THAT CAN BE BIO-SOURCED

#41
20210198424
2021-07-01

Process for making poly(glycolic acid) for containers and films with reduced gas permeability

#42
20210061949
2021-03-04

Process for the production of a thermoplastic elastomer and the thermoplastic elastomer

#43
20210017331
2021-01-21

Polyester resin

#44
20200377650
2020-12-03

POLYESTER RESIN, PRODUCTION METHOD FOR SAID POLYESTER RESIN, AND POLYESTER RESIN COMPOSITION

#45
20200370205
2020-11-26

Method for manufacturing wholly aromatic liquid-crystalline polyester fiber with enhanced spinnability

#46
20200317858
2020-10-08

Method for obtaining biodegradable polymers

#47
20200270396
2020-08-27

Liquid crystalline polyester compositions and methods

#48
20200255590
2020-08-13

Thermoplastic polyester with high incorporation of 1,4:3,6-dianhydro-L-iditol units

#49
20200239628
2020-07-30

Copolyester tape

#50
20200223981
2020-07-16

Low-shrinkage polyester industrial yarn and preparation method thereof

#51
20200190255
2020-06-18

Glycolic acid polymer

#52
20200172662
2020-06-04

Polyester container and manufacturing method therefor

#53
20200071459
2020-03-05

Tufted carpet including polyethyleneterephthalate bulked continuous filament

#54
20200040134
2020-02-06

Process for the production of a solid-state polymerized poly (tetramethylene-2, 5-furan dicarboxylate) polymer and polymer thus produced

#55
20190381695
2019-12-19

COMPARTMENTALIZED RESIN PELLETS

#56
20190315914
2019-10-17

Process for the production of a thermoplastic elastomer and the thermoplastic elastomer

#57
20190264022
2019-08-29

Polyester composition and preparation method therefor

#58
20190217502
2019-07-18

Compartmentalized resin pellets

#59
20190194388
2019-06-27

BIO-BASED POLYETHYLENE TEREPHTHALATE PACKAGING AND METHOD OF MAKING THEREOF

#60
20190106567
2019-04-11

Process for producing a flame-retardant polyester

#61
20190106444
2019-04-11

Stabilizer for producing a polyester resin, process for preparing the same, process for producing the polyester resin using the same, and the polyester resin produced thereby

#62
20190099919
2019-04-04

Method and apparatus for crystallizing and increasing molecular weight of polymer particles

#63
20190031826
2019-01-31

PROCESS FOR ENHANCING THE MOLECULAR WEIGHT OF A POLYESTER BY SOLID STATE POLYMERIZATION

#64
20180362707
2018-12-20

AROMATIC THERMOPLASTIC COPOLYESTERS COMPRISING 1,4:3,6-DIANHYDROHEXITOL AND VARIOUS CYCLIC DIOLS

#65
20180355101
2018-12-13

THERMOPLASTIC COPOLYESTERS COMPRISING 1,4:3,6-DIANHYDROHEXITOL AND VARIOUS AROMATIC DIACIDS

#66
20180355100
2018-12-13

PET polymer with an anti-crystallization comonomer that can be bio-sourced

#67
20180208715
2018-07-26

Ultra-high IV polyester for extrusion blow molding and method for its production

#68
20180201724
2018-07-19

Method of producing glycolic acid polymers

#69
20180186927
2018-07-05

Polyester resin, production method for said polyester resin, and polyester resin composition

#70
20180171072
2018-06-21

METHOD FOR MANUFACTURING A BRANCHED POLY(HYDROXYL ACID)

#71
20180155494
2018-06-07

A ONE STEP PROCESS FOR THE PELLETISATION OF POLY LACTIC ACID WITHOUT MELT PROCESSING

#72
20180155493
2018-06-07

High-viscosity polyester with improved impact properties

#73
20180126714
2018-05-10

Polyester resin composition and production method thereof

#74
20180105641
2018-04-19

Crystalline wholly aromatic polyester and method for manufacture thereof

#75
20180094101
2018-04-05

METHOD FOR PREPARING POLYETHYLENE TEREPHTHALATE POLYMER, POLYETHYLENE TEREPHTHALATE POLYMER YARN AND CAR MAT COMPRISING THE SAME

#76
20170362373
2017-12-21

Biodegradable copolyesters

#77
20170335054
2017-11-23

HEAT RESISTANT POLYETHYLENE TEREPHTHALATE AND PROCESS OF MANUFACTURING THEREOF

#78
20170233523
2017-08-17

Modified polybutylene naphthalate for improved performance and process of making thereof

#79
20170218118
2017-08-03

Process For Preparing A High Molecular Weight Heteroaromatic Polyester Or Copolyester

#80
20170152204
2017-06-01

Lactic acid manufacturing method

#81
20170137567
2017-05-18

TERMINALLY MODIFIED POLYETHYLENE TEREPHTHALATE RESIN, METHOD OF PRODUCING SAME AND MOLDED ARTICLE

#82
20170121859
2017-05-04

Fiber and method of manufacturing the same

#83
20170121453
2017-05-04

Polyester and method of manufacturing the same

#84
20170073462
2017-03-16

Method for preparing a polyester under specific esterification conditions

#85
20170066875
2017-03-09

Polyester-containing object made from melt-processing poly(ethylene-2,5-furandicarboxylate)

#86
20170066870
2017-03-09

Polyester and method for preparing such a polyester

#87
20170037181
2017-02-09

Polyisoidide furanoate thermoplastic polyesters and copolyesters and a use thereof in hot fill packaging

#88
20170022140
2017-01-26

Process for the preparation of complex oligomeric structures

#89
20170015781
2017-01-19

Process for enhancing the molecular weight of a polyester

#90
20170015780
2017-01-19

Polyester and method for preparing such a polyester

#91
20160376403
2016-12-29

Method for synthesizing poly(butylene adipate-co-terephthalate)

#92
20160312008
2016-10-27

Process for preparing a polymer having a 2,5-furandicarboxylate moiety within the polymer backbone and such (co)polymers

#93
20160229953
2016-08-11

METHOD FOR PRODUCING POLYESTER

#94
20160144337
2016-05-26

Continuous solid-state polymerisation device and method

#95
20160136611
2016-05-19

Continuous solid-state polymerization device and method

#96
20160083511
2016-03-24

Process for the preparation of modified poly(alkylene terephthalate) employing an in-situ titanium-containing catalyst

#97
20160068628
2016-03-10

METHOD FOR PRODUCING POLY-L-LACTIC ACID BY DIRECTLY POLYCONDENSATING L-LACTIC ACID

#98
20160060387
2016-03-03

GLYCOLIC ACID POLYMERS AND METHOD OF PRODUCING THE SAME

#99
20160032045
2016-02-04

Use of polyesters having inherent flame protection in adhesives and sealants

#100
20160016332
2016-01-21

METHOD RELATED TO A SOLID STATE POLYMERIZATION ZONE

#101
20150315334
2015-11-05

Method for continuous production of biodegradable aliphatic/aromatic polyester copolymer

#102
20150218078
2015-08-06

Chemical intermediates by catalytic fast pyrolysis process

#103
20150183926
2015-07-02

Branched poly (hydroxy acid) and production process thereof

#104
20150112040
2015-04-23

On-line control of molecular weight in continuous solid state polymerization processes

#105
20150087034
2015-03-26

Method for producing polybutylene terephthalate

#106
20150065678
2015-03-05

Method for the production of aliphatic polyesters

#107
20150051366
2015-02-19

Complex metal oxide, and method of preparing polyester using the same

#108
20150031850
2015-01-29

Process for solid-state polycondensation

#109
20140357808
2014-12-04

Process for preparing a high molecular weight heteroaromatic polyester or copolyester

#110
20140336349
2014-11-13

Process for preparing a polymer product having a 2,5-furandicarboxylate moiety within the polymer backbone to be used in bottle, film or fibre applications

#111
20140275436
2014-09-18

Fast degradable polyester polymer and preparation method and use thereof

#112
20140206797
2014-07-24

Method of producing a polyester resin composition

#113
20140197580
2014-07-17

Method for producing a bio-pet polymer

#114
20140171615
2014-06-19

Aliphatic polyester manufacturing method

#115
20140142276
2014-05-22

Polylactic acid resin and method for producing same

#116
20140114013
2014-04-24

Hot melt ink composition comprising a copolyester and process for preparing a copolyester

#117
20140107306
2014-04-17

Chemical intermediates by catalytic fast pyrolysis process

#118
20140107246
2014-04-17

ULTRAVIOLET CURED POLYESTERS FROM SUSTAINABLE MATERIALS

#119
20140100350
2014-04-10

Solid-phase polymerization method for preparing high-molecular-weight aliphatic polyester

#120
20140088287
2014-03-27

PRODUCTION METHOD FOR LIQUID CRYSTAL POLYESTER

#121
20140024793
2014-01-23

POLYESTER PRODUCTION PROCESS AND APPARATUS

#122
20140023841
2014-01-23

Polyester composition and film using same, sheet-like structure, electric insulation sheet, and solar cell back sheet, and manufacturing method therefor

#123
20140011931
2014-01-09

Bio-based polyester latex

#124
20130323502
2013-12-05

Method of producing polyester film, polyester film, and back sheet for solar cell

#125
20130281635
2013-10-24

Polyester composition for solar battery and method for producing same

#126
20130253165
2013-09-26

Method for producing polyester compositions

#127
20130197186
2013-08-01

Process for production of poly(lactic acid)-type resin, and poly(lactic acid)-type prepolymer

#128
20130183470
2013-07-18

Ultra-high IV polyester for extrusion blow molding and method for its production

#129
20130165621
2013-06-27

Method for preparing polycondensation resin

#130
20130158209
2013-06-20

Method for producing polylactic acid block copolymer

#131
20130137845
2013-05-30

Production method for a wholly aromatic liquid crystalline polyester resin, a wholly aromatic liquid crystalline polyester resin produced by means of the method, and a compound of the wholly aromatic liquid crystalline polyester resin

#132
20130115402
2013-05-09

Polyester resin composition and a process for manufacturing the same

#133
20130085253
2013-04-04

Solid-stage polymerization system for a liquid crystalline polymer

#134
20130053461
2013-02-28

METHOD FOR THE PREPARATION OF (POLYBUTYLENE-CO-ADIPATE TEREPHTHALATE) THROUGH THE IN SITU PHOSPHORUS CONTAINING TITANIUM BASED CATALYST

#135
20130035451
2013-02-07

Solid state polymerization process for polyester with phosphinic acid compounds

#136
20130030143
2013-01-31

Method for manufacturing liquid crystal polyester and liquid crystal polyester

#137
20130030142
2013-01-31

Method for producing liquid-crystalline polyester

#138
20120329975
2012-12-27

METHOD FOR PRODUCING LIQUID CRYSTAL POLYESTER

#139
20120316315
2012-12-13

Method for preparing modified poly (1,3-propanediol terephthalate)

#140
20120253060
2012-10-04

Method for producing liquid crystal polyester

#141
20120253003
2012-10-04

Method for producing liquid crystal polyester

#142
20120226012
2012-09-06

Radial mixing devices for rotating inclined reactors

#143
20120178837
2012-07-12

HIGH MELT STRENGTH POLYESTERS FOR FOAM APPLICATIONS

#144
20120128911
2012-05-24

SOLID STATE POLYMERIZATIONS OF POLYESTER

#145
20120077951
2012-03-29

Method for increasing the molecular weight of a polyester granulate by using its residual heat

#146
20120035342
2012-02-09

Method for Producing Polyester Particles at High Throughput in a Line

#147
20120027973
2012-02-02

Branched poly (hydroxy acid) and production process thereof

#148
20110306733
2011-12-15

Aliphatic polyester manufacturing method

#149
20110306710
2011-12-15

Solid state polymerization process for polyester with phosphinic acid compounds

#150
20110282020
2011-11-17

Process for preparing a polymer having a 2,5-furandicarboxylate moiety within the polymer backbone and such (co)polymers

#151
20110257357
2011-10-20

APPARATUS FOR HEAT TREATMENT OF POLYESTER PARTICLE AND METHOD OF MULTISTAGE SOLID-PHASE POLYCONDENSATION OF POLYESTER PARTICLE

#152
20110257349
2011-10-20

APPARATUS FOR HEAT TREATMENT OF POLYESTER PARTICLE AND METHOD OF MULTISTAGE SOLID-PHASE POLYCONDENSATION OF POLYESTER PARTICLE

#153
20110256331
2011-10-20

ULTRA-HIGH IV POLYESTER FOR EXTRUSION BLOW MOLDING AND METHOD FOR ITS PRODUCTION

#154
20110220203
2011-09-15

POLYESTER RESIN COMPOSITION, METHOD OF PRODUCING THE SAME, POLYESTER FILM, AND SOLAR CELL POWER GENERATION MODULE

#155
20110214720
2011-09-08

Polyester film, method for manufacturing the same, and solar cell module

#156
20110212282
2011-09-01

Polyester resins for high-strength articles

#157
20110201776
2011-08-18

Method for thermally treating polyester pellets to obtain a partial crystallization

#158
20110124776
2011-05-26

Process for heat treatment of semi-crystalline polymers

#159
20110077339
2011-03-31

White film and a method of manufacturing opaque white film

#160
20110065871
2011-03-17

Method for producing aliphatic polyester resin, and an aliphatic polyester resin composition

#161
20100234557
2010-09-16

Process for producing aliphatic polyester

#162
20100227960
2010-09-09

PROCESS OF MAKING A POLY(TRIMETHYLENE TEREPHTHALATE) RESIN HAVING LOW CYCLIC DIMER CONTENT, AND COMPOSITIONS AND ARTICLES THEREFROM

#163
20100222543
2010-09-02

Process for the production of slow crystallizing polyester resin

#164
20100221472
2010-09-02

Polyester Resins for High-Strength Articles

#165
20100197883
2010-08-05

Polyester resin and fabrication method thereof

#166
20100168328
2010-07-01

PROCESS FOR THE MANUFACTURE OF POLYCYCLOHEXANE DIMETHYLENE TEREPHTHALATE COPOLYMERS FROM POLYETHYLENE TEREPHTHALATE, AND COMPOSITIONS AND ARTICLES THEREOF

#167
20100140821
2010-06-10

Method for granulating and crystallizing thermoplastic polymers

#168
20100113626
2010-05-06

OPAQUE CONTAINERS CONTAINING COLORED RECYCLED POLYESTER

#169
20100028512
2010-02-04

BIO-BASED POLYETHYLENE TEREPHTHALATE PACKAGING AND METHOD OF MAKING THEREOF

#170
20100008830
2010-01-14

Radial mixing devices for rotating inclined reactors

#171
20090292101
2009-11-26

Method and installation for increasing the intrinsic viscosity of polyester material by solid phase polycondensation

#172
20090280279
2009-11-12

Polyethylene terephthalate resin synthesized inorganic Ti—Mg catalyst and its applications thereof

#173
20090275698
2009-11-05

Method of making polybutylene terephthalate and compositions and articles comprising the same

#174
20090263661
2009-10-22

Polyester resin particle and method for producing the same

#175
20090253888
2009-10-08

Solid state polymerization process for polyester with phosphinic acid compounds

#176
20090212451
2009-08-27

Method of Preparing Wholly Aromatic Polyester

#177
20090198022
2009-08-06

Solid phase polymerization catalyst system

#178
20090187002
2009-07-23

Composite solid phase polymerization catalyst

#179
20090176046
2009-07-09

Polyester Resins for High-Strength Articles

#180
20090169782
2009-07-02

PROCESS FOR CRYSTALLIZING AND SOLID STATE POLYMERIZING POLYMERS AND THE COATED POLYMER

#181
20090163621
2009-06-25

Process for improving color of polycondensates

#182
20090137769
2009-05-28

Manufacturing method of polyethylene terephthalate

#183
20090082541
2009-03-26

Method for the production polyester with improved melting properties and crystallization properties

#184
20090054618
2009-02-26

Polybutylene terephthalate and process for producing thereof

#185
20090018285
2009-01-15

Method for Thermally Treating Polyester Pellets to Obtain a Partial Crystallization

#186
20090011236
2009-01-08

Process for Continuous Production of Polyester, Polyester Prepolymer Granule and Polyester

#187
20090005531
2009-01-01

Solid state polymerization process for polyester

#188
20080315453
2008-12-25

PROCESS FOR THE PRODUCTION OF POLYESTER NANOCOMPOSITES

#189
20080272508
2008-11-06

MANUFACTURE OF SPHERICAL PARTICLES OUT OF A PLASTIC MELT

#190
20080260979
2008-10-23

Polyester resin, molded object thereof, and processes for producing these

#191
20080226856
2008-09-18

Polyester resins and polyester containers having reduced frictional properties

#192
20080207868
2008-08-28

Apparatus for Heat Treatment of Polyester Particle and Method of Multistage Solid-Phase Polycondensation of Polyester Particle

#193
20080182963
2008-07-31

Method For Producing Polyester

#194
20080177010
2008-07-24

Reactive Atmosphere For Continuous and/or Discontinuous Solid Phase Polymerisation of Polyester and Method of Application of Said Atmosphere

#195
20080146770
2008-06-19

All-aromatic polyester compound, its preparation, and composition containing the same

#196
20080064797
2008-03-13

Process For The Production Of Polyethylene Terephthalate Copolyester, Copolyester Obtained Thereby And Its Use And Catalyst Useful In The Process

#197
20080033084
2008-02-07

Catalyst composition for producing polyethylene terephthalate from terephthalic acid and ethylene glycol, and process therefore

#198
20080019882
2008-01-24

Production of a high-molecular polycondensate

#199
20080006961
2008-01-10

Method For Accelerating The Solid-Stating Of Polyethylene Terephthalate

#200
20070299150
2007-12-27

Method for recycling pet bottle

#201
20070265419
2007-11-15

Process for driving gas blowers or fans in a solid-state polymerization process using steam from a terephthalic acid plant

#202
20070255036
2007-11-01

Solid-phase polycondensation of polyester with process gas purification

#203
20070244293
2007-10-18

Process for producing aliphatic polyester reduced in residual cyclic ester content

#204
20070232777
2007-10-04

METHOD FOR TREATING RECYCLED POLYETHYLENE TEREPHTHALATE FOR ACCELERATED PROCESSING

#205
20070232763
2007-10-04

Naphthalate based polyester resin compositions

#206
20070225471
2007-09-27

Partially crystalline polyethyleneterephthalate

#207
20070203324
2007-08-30

Fast crystallizing modified polyethylene naphthalate

#208
20070191582
2007-08-16

POLYESTER SOLID PHASE POLYMERIZATION CATALYST FOR LOW ACETALDEHYDE GENERATING RESINS

#209
20070142537
2007-06-21

Methods for Making Polyester Resins Having Reduced Frictional Properties

#210
20070135613
2007-06-14

Method for the manufacture of a partially crystalline polycondensate

#211
20070093616
2007-04-26

Stable Polyamides For Simultaneous Solid Phase Polymerization of Polyesters and Polyamides

#212
20070093615
2007-04-26

Dispersions of high carboxyl polyamides into polyesters using an interfacial tension reducing agent

#213
20070060719
2007-03-15

Polyamide and/or polyester matrix thermoplastic compositions and articles shaped therefrom

#214
20070059465
2007-03-15

Polyester Resins for High-Strength Articles

#215
20070027252
2007-02-01

Process for improving color of polycondensates

#216
20070010648
2007-01-11

Catalyst for manufacture of esters

#217
20060293493
2006-12-28

Polyester resins with a special co-catalyst for high melt poly and SSP reactivity with enhanced color values

#218
20060293491
2006-12-28

Method for producing polyester

#219
20060270824
2006-11-30

Polyester composition comprising polybutylene terephthalate resin

#220
20060186375
2006-08-24

Wholly aromatic liquid-crystalline polyester and method for preparing the same

#221
20060173154
2006-08-03

Process for making low color poly(ethylene-co-isosorbide) terephthalate polymer

#222
20060165564
2006-07-27

Solid phase continuous polymerisation of polyethylene terephthalate (PET) reactor and process

#223
20060147666
2006-07-06

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Polyethylene terephthalate for molding and production the same

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Method and device for increasing the intrinsic viscosity of polyester material by means of solid phase polymerisation

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Process for producing polytrimethylene terephthalate

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Liquid-crystalline polyester resin and method for producing it

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Glycolic acid copolymer and method for production thereof

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Continuous process for solid phase polymerisation of polyesters

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Methods of making titanium-catalyzed polyester resins

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Process for producing polyester resin

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Method of producing highly condensed polyester granulate

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Process for making a modified thermoplastic polyester

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Methods of making imide-modified polyester resins

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Methods for introducing additives into polyethylene terephthalate

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Polyester preforms useful for enhanced heat-set bottles

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Polyester resin and catalyst for polyester production, process for producing polyester resin with the catalyst, polyester resin obtained with the catalyst, and hollow molded container comprising the polyester resins

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Polytrimethylene terephthalate composition particles and process for producing same

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Method for producing enhanced solid state

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Method of treating polyester polymer and polyester polymer reduced in low-boiling component content

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Process for heating PET pellet feed to a solid stating process by heat exchange with hot solid stated pellets

#243
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Method and apparatus for increasing an intrinsic viscosity of polyester

#244
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Method for recycling pet bottle