ClassID:

90673

C07C5/2737 - CPC Classification

Classification description:

Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation; Rearrangement of carbon atoms in the hydrocarbon skeleton; Changing the branching point of an open chain or the point of substitution on a ring; Catalytic processes with crystalline alumino-silicates, e.g. molecular sieves

Recent Application in this class:
#1
20250353800
2025-11-20

Production of P-Xylene by Liquid-Phase Isomerization and Separation Thereof

#2
20230212094
2023-07-06

PROCESSES FOR CONVERTING C8 AROMATIC HYDROCARBONS

#3
20230109131
2023-04-06

Methods for isomerizing alpha olefins

#4
20230092672
2023-03-23

Heteroatom-Doped Zeolites For Bifunctional Catalytic Applications

#5
20220401935
2022-12-22

Heteroatom-doped zeolites for bifunctional catalytic applications

#6
20220332665
2022-10-20

Process for producing p-xylene and ethylbenzene from Caromatic containing ethylbenzene

#7
20220324778
2022-10-13

Circular economic methods for fragrance ingredients

#8
20220234035
2022-07-28

Modified beta zeolitic (*BEA) catalyst for isomerization of alkylated aromatics, and method for isomerization of alkylated aromatics

#9
20220234033
2022-07-28

Modified USY zeolitic catalyst for isomerization of alkylated aromatics, and method for isomerization of alkylated aromatics

#10
20220144725
2022-05-12

Zeolite, process for making same, and use thereof in converting aromatic hydrocarbons

#11
20220134318
2022-05-05

Mel-Type Zeolite for Converting Aromatic Hydrocarbons, Process for Making and Catalytic Composition Comprising Said Zeolite

#12
20220048835
2022-02-17

Isomerisation process

#13
20210316284
2021-10-14

Desilicated ZSM-5 catalysts for xylene isomerization

#14
20210230083
2021-07-29

Dealkylation and Transalkylation of Heavy Aromatic Hydrocarbons

#15
20210179513
2021-06-17

Apparatus and process for converting aromatic compounds by benzene alkylation with ethanol

#16
20210122688
2021-04-29

Integrated aromatics formation and methylation

#17
20210040016
2021-02-11

Process for co-production of mixed xylenes and high octane C aromatics

#18
20210001312
2021-01-07

Catalyst for Ethylbenzene Conversion in a Xylene Isomerization Process

#19
20200262768
2020-08-20

Integrated process for maximizing production of para-xylene from full reformate

#20
20200181042
2020-06-11

Process for recovering para-xylene

#21
20200109095
2020-04-09

Isomerization and catalytic activation of pentane-enriched hydrocarbon mixtures

#22
20190218159
2019-07-18

Process for methylating aromatic hydrocarbons

#23
20190002371
2019-01-03

DUAL RAFFINATE PARAXYLENE EXTRACTION PROCESS

#24
20180370874
2018-12-27

Process for converting alkanes to para-xylene

#25
20180369795
2018-12-27

Catalyst composition, its preparation and process using such composition

#26
20180345257
2018-12-06

Catalyst for ethylbenzene conversion in a xylene isomerization process

#27
20180265429
2018-09-20

Processes and apparatuses for toluene methylation in an aromatics complex

#28
20180169636
2018-06-21

Desilicated ZSM-5 catalysts for xylene isomerization

#29
20180169635
2018-06-21

High meso-surface area and high acid site density pentasil zeolite for use in xylene conversion

#30
20180085742
2018-03-29

Modified catalyst with structure type MTW, a method for its preparation and its use in a process for the isomerization of an aromatic C8 cut

#31
20180079701
2018-03-22

Process for increasing xylene isomer to benzene ratio

#32
20180079651
2018-03-22

Methods for producing crystalline microporous solids with the RTH topology and compositions derived from the same

#33
20180029957
2018-02-01

Catalyst comprising an IZM-2 zeolite with an optimized Si/Al molar ratio, for the isomerization of C8 aromatic cuts

#34
20180022669
2018-01-25

Process for xylenes isomerization

#35
20170210683
2017-07-27

Method for the production of paraxylene, comprising two simulated moving bed separation and two isomerization units, one being in the gas phase

#36
20170210682
2017-07-27

Process for the production of high-purity paraxylene from a xylenes cut, using two simulated moving bed separation units operating in series and two isomerization units

#37
20170204024
2017-07-20

Process for the production of high-purity paraxylene based on a xylene cut, a process using one simulated mobile bed separation unit and two isomerization units, one in gas phase and the other in liquid phase

#38
20170166498
2017-06-15

Process for xylenes isomerization

#39
20170081259
2017-03-23

Method and catalyst system for improving benzene purity in a xylenes isomerization process

#40
20170058209
2017-03-02

Processes using molecular sieve SSZ-91

#41
20170050898
2017-02-23

Process and apparatus for the production of para-xylene

#42
20160257632
2016-09-08

High meso-surface area and high acid site density pentasil zeolite for use in xylene conversion

#43
20160257631
2016-09-08

Yields in xylene isomerization using layer MFI zeolites

#44
20160176785
2016-06-23

Production and use of dialkylbiphenyl isomer mixtures

#45
20160129429
2016-05-12

Method of producing zeolite encapsulated nanoparticles

#46
20160059224
2016-03-03

Method and catalyst system for the production of para-xylene

#47
20160039727
2016-02-11

Xylene isomerization process and catalyst therefor

#48
20160039726
2016-02-11

Boroaluminosilicate Molecular Sieves and Methods for Using Same for Xylene Isomerization

#49
20160031771
2016-02-04

MFI Aluminosilicate Molecular Sieves and Methods for Using Same for Xylene Isomerization

#50
20150321183
2015-11-12

MODIFIED CATALYST WITH STRUCTURE TYPE MTW, A METHOD FOR ITS PREPARATION AND ITS USE IN A PROCESS FOR THE ISOMERIZATION OF AN AROMATIC C8 CUT

#51
20150251973
2015-09-10

Purge Streams in Paraxylene Production

#52
20150251168
2015-09-10

Dual catalyst system for performing a ketonisation reaction and a hydrotreatment reaction simultaneously

#53
20150203358
2015-07-23

Methods for producing crystalline microporous solids with IWV topology and compositions derived from the same

#54
20150203357
2015-07-23

Methods for producing crystalline microporous solids with a new CIT-7 topology and compositions derived from the same

#55
20150202612
2015-07-23

Methods for producing crystalline microporous solids with the RTH topology and compositions derived from the same

#56
20150202603
2015-07-23

Methods for producing crystalline microporous solids with the HEU topology and compositions derived from the same

#57
20150197465
2015-07-16

Bimetallic catalyst and use in xylene production

#58
20150175507
2015-06-25

Production of para-xylene

#59
20150133627
2015-05-14

Methods of preparing para-xylene from biomass

#60
20150104364
2015-04-16

Processes using molecular sieve SSZ-96

#61
20150094510
2015-04-02

Process and catalyst for upgrading gasoline

#62
20150018588
2015-01-15

Method for production of hydrocarbons by increasing hydrocarbon chain length

#63
20150018581
2015-01-15

Simultaneous production of base oil and fuel components from renewable feedstock

#64
20140364668
2014-12-11

Method for isomerizing an aromatic C8 fraction in the presence of a catalyst containing an EUO zeolite and a specific binder

#65
20140296602
2014-10-02

ISOMERIZATION PROCESS WITH MTW CATALYST

#66
20140296601
2014-10-02

ISOMERIZATION PROCESS WITH MTW CATALYST

#67
20140275689
2014-09-18

Hydroisomerization catalysts based on Fe containing molecular sieves

#68
20140155668
2014-06-05

Manufacturing process

#69
20140155667
2014-06-05

Process for the production of purified xylene isomers

#70
20140066675
2014-03-06

Xylene isomerization process and catalyst therefor

#71
20140039234
2014-02-06

Isomerisation catalyst preparation process

#72
20140031600
2014-01-30

Paraxylene production process and apparatus

#73
20140023563
2014-01-23

Paraxylene production process and apparatus

#74
20140017744
2014-01-16

Methods of preparing -xylene from biomass

#75
20130197286
2013-08-01

Production of paraxylene

#76
20130029832
2013-01-31

Stabilized aggregates of small crystallites of zeolite Y

#77
20120251406
2012-10-04

Process for Isomerizing a Non-Equilibrium Alkylaromatic Feed Mixture and an Aromatic Production Facility

#78
20120178980
2012-07-12

Method of Making and Using a Hydrocarbon Conversion Catalyst

#79
20120004485
2012-01-05

UZM-5, UZM-5P, and UZM-6 crystalline aluminosilicate zeolites and methods for preparing the same

#80
20110319688
2011-12-29

Paraxylene production process and apparatus

#81
20110313223
2011-12-22

Process for xylene and ethylbenzene isomerization using UZM-35

#82
20110263918
2011-10-27

Xylene isomerization process and catalyst therefor

#83
20110245566
2011-10-06

Process for xylene and ethylbenzene isomerization using UZM-35HS

#84
20110245565
2011-10-06

Process for xylene and ethylbenzene isomerization using UZM-35

#85
20110158859
2011-06-30

Process for isomerizing a non-equilibrium alkylaromatic feed mixture and an aromatic production facility

#86
20110105819
2011-05-05

ZEOLITE CATALYST ZEOLITE SECONDARY STRUCTURE

#87
20110077146
2011-03-31

Aromatic isomerization catalyst and a process of use thereof

#88
20100305380
2010-12-02

Process for improved meta-xylene yield from Caromatics

#89
20100152512
2010-06-17

Hydrocarbon conversion using an improved molecular sieve

#90
20100152511
2010-06-17

Hydrocarbon conversion using an improved molecular sieve

#91
20100121122
2010-05-13

Hydrocarbon conversion using molecular sieve SSZ-75

#92
20100113853
2010-05-06

Method of purifying 2,7-dimethylnaphthalene

#93
20100092351
2010-04-15

Molecular Sieve and Catalyst Incorporating the Sieve

#94
20100081565
2010-04-01

Aluminum Phosphate Binder for Extruded Catalyst

#95
20100069694
2010-03-18

Xylene isomerization process and apparatus

#96
20100048381
2010-02-25

Catalyst for xylene isomerization and process for preparing the same

#97
20100004493
2010-01-07

Integrated Process

#98
20090182182
2009-07-16

Process for isomerizing a non-equilibrium alkylaromatic feed mixture and an aromatic production facility

#99
20090155142
2009-06-18

MOLECULAR SIEVE AND CATALYST INCORPORATING THE SIEVE

#100
20080262282
2008-10-23

Method for producing paraxylene comprising an adsortion step and two isomerization steps

#101
20080221375
2008-09-11

Catalyst treatment useful for aromatics conversion process

#102
20080146859
2008-06-19

Selective Aromatics Isomerization Process

#103
20080041765
2008-02-21

Xylene Isomerization Process and Apparatus

#104
20070284284
2007-12-13

Hydrocarbon conversion using molecular sieve SSZ-75

#105
20070265480
2007-11-15

Process for the production of 2,6-dimethylnaphthalene

#106
20070185356
2007-08-09

Catalyst treatment useful for aromatics conversion process

#107
20070060779
2007-03-15

PROCESS FOR THE ISOMERIZATION OF XYLENES AND CATALYST THEREFOR

#108
20070060778
2007-03-15

Process for isomerizing non-equilibrium xylene-containing feed streams

#109
20070060470
2007-03-15

PROCESS FOR THE ISOMERIZATION OF XYLENES AND CATALYST THEREFOR

#110
20070060469
2007-03-15

PROCESS FOR THE ISOMERIZATION OF XYLENES AND CATALYST THEREFOR

#111
20060122445
2006-06-08

Process for the preparation of 2,6-dimethylnaphthalene

#112
20060046924
2006-03-02

Process for regeneration of a catalyst that contains an EUO-structural-type zeolite

#113
20060029542
2006-02-09

Process for producing synthetic zeolites with MFI structure

#114
20050266979
2005-12-01

Catalyst treatment useful for aromatics conversion process

#115
20050202955
2005-09-15

Process for producing catalysts with reduced hydrogenation activity and use thereof

#116
20050143615
2005-06-30

Process and bimetallic catalyst for C8 alkylaromatic isomerization

#117
20050133413
2005-06-23

Hydrocarbon conversion using molecular sieve SSZ-47B

#118
20050113619
2005-05-26

Process for the catalytic isomerisation of aromatic compounds

#119
20050075522
2005-04-07

Process for synthesizing diisopropylbenzene

#120
20050010074
2005-01-13

Conversion catalyst for ethylbenzene containing xylenes and process for converting ethylbenzene containing xylenes by using catalyst

#121
18183294
2024-08-20

Integrated processes and systems for producing para-xylenes