ClassID:

90671

C07C5/2732 - 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

Sub-classes:
Recent Application in this class:
#1
20220234033
2022-07-28

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

#2
20210222079
2021-07-22

LIGHT PARAFFINS TO ALCOHOLS

#3
20210170323
2021-06-10

Method of recovering paraxylene in a pressure swing adsorption unit with varying hydrogen purge flow direction

#4
20210163379
2021-06-03

Transalkylation with reduced ring loss

#5
20200369581
2020-11-26

Methods and systems for producing -xylene from C8-containing compositions

#6
20200354289
2020-11-12

Methods and systems for producing para-xylene from C8-containing compositions

#7
20200270189
2020-08-27

Methods and systems for producing para-xylene from C8-containing compositions

#8
20200262768
2020-08-20

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

#9
20200115297
2020-04-16

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

#10
20200048169
2020-02-13

Systems and methods for deep crystallization of xylene streams

#11
20200048167
2020-02-13

Process for the production of high purity para-xylene and high purity toluene

#12
20200024216
2020-01-23

Integrated processes for para-xylene production

#13
20190367431
2019-12-05

Disproportionation and transalkylation of heavy aromatic hydrocarbons

#14
20190338202
2019-11-07

Process and device for the inverted separation of aromatics

#15
20190300456
2019-10-03

Production and separation of dimethyl biphenyl isomers

#16
20190062644
2019-02-28

PROCESSES FOR REFORMING AND TRANSALKYLATING HYDROCARBONS

#17
20180370874
2018-12-27

Process for converting alkanes to para-xylene

#18
20180305277
2018-10-25

Process and apparatus for improved para-xylene yield in an aromatic complex

#19
20180282245
2018-10-04

Energy efficient methods for isomerization of a C5-C7 fraction with dividing wall fractional distillation

#20
20180222824
2018-08-09

Adsorptive separation of dimethyl biphenyl regioisomers using 12-member ring zeolite sorbents

#21
20180222819
2018-08-09

Process and apparatus for the conversion of hydrocarbons

#22
20180222817
2018-08-09

Production and separation of 3,3′-, 3,4′- and 4,4′-dimethyl biphenyl isomers

#23
20180215685
2018-08-02

Processes for separating dimethyl biphenyl isomers using zeolite adsorbents

#24
20180215684
2018-08-02

Process for recovering para-xylene using a metal organic framework adsorbent in a simulated moving-bed process

#25
20170349508
2017-12-07

Liquid phase isomerization process integration

#26
20170297976
2017-10-19

Paraxylene Separation Process

#27
20170275218
2017-09-28

Aromatics production process

#28
20170144106
2017-05-25

Reverse osmosis membranes and separations

#29
20170137350
2017-05-18

Separation of mixed xylenes

#30
20170136420
2017-05-18

Hydrocarbon reverse osmosis membranes and separations

#31
20170088489
2017-03-30

Conversion of non-aromatic hydrocarbon

#32
20170058706
2017-03-02

Power generation using independent dual organic Rankine cycles from waste heat systems in diesel hydrotreating-hydrocracking and continuous-catalytic-cracking-aromatics facilities

#33
20170001923
2017-01-05

Energy efficient processes for xylenes production

#34
20160346711
2016-12-01

Processes and apparatuses for separating streams to provide a transalkylation feed stream in an aromatics complex

#35
20160185686
2016-06-30

Apparatus for the production of xylenes

#36
20160122262
2016-05-05

Xylene Isomerization Process with Sulfidation

#37
20160115103
2016-04-28

Method of making aromatic hydrocarbons

#38
20160115094
2016-04-28

Process and apparatus for the conversion of hydrocarbons

#39
20160046544
2016-02-18

Aromatics production process

#40
20160024393
2016-01-28

Production of xylenes from syngas

#41
20160024392
2016-01-28

Production of xylenes from syngas

#42
20150376087
2015-12-31

Process for the Production of Xylenes

#43
20150321976
2015-11-12

Methods and systems for reforming and transalkylating hydrocarbons

#44
20150307419
2015-10-29

Metal-organic framework for the separation of alkane isomers

#45
20150307412
2015-10-29

METHODS AND APPARATUSES FOR PRODUCING XYLENE FROM PROPYLBENZENE

#46
20150299071
2015-10-22

Energy efficient processes for xylenes production

#47
20150166438
2015-06-18

PROCESSES AND APPARATUSES FOR ISOMERIZING HYDROCARBONS

#48
20150094509
2015-04-02

Systems and methods for producing desired xylene isomers

#49
20150094508
2015-04-02

Systems and methods for separating xylene isomers using selective adsorption

#50
20150005555
2015-01-01

CATALYTIC DISPROPORTIONATION OF BUTANE USING IONIC LIQUIDS

#51
20150005542
2015-01-01

Catalytic isomerization of pentane using ionic liquids

#52
20150005541
2015-01-01

Catalytic isomerization of heptane using ionic liquids

#53
20150005540
2015-01-01

Catalytic isomerization of paraffins using ionic liquids

#54
20140248193
2014-09-04

Combined xylene isomerization and transalkylation process unit

#55
20140155667
2014-06-05

Process for the production of purified xylene isomers

#56
20140100398
2014-04-10

Processes and systems for obtaining aromatics from catalytic cracking hydrocarbons

#57
20130178673
2013-07-11

Method of producing valuable aromatics and olefins from hydrocarbonaceous oils derived from coal or wood

#58
20130165715
2013-06-27

Combined xylene isomerization and transalkylation process unit

#59
20130109899
2013-05-02

Catalyst and process for hydrocarbon conversion

#60
20120271080
2012-10-25

Processes for producing propylene from paraffins

#61
20120271071
2012-10-25

TRANSALKYLATION OF METHYLATED AROMATIC HYDROCARBON-ENRICHED FRACTIONS IN C8 AROMATIC HYDROCARBON PRODUCTION

#62
20120108868
2012-05-03

Process for the Production of Paraxylene

#63
20120108867
2012-05-03

Process for the Production of Purified Xylene Isomers

#64
20120048711
2012-03-01

Energy conservation in heavy-hydrocarbon distillation

#65
20110196176
2011-08-11

Process for the preparation of m-substituted alkyltoluenes by isomerization with ionic liquids as catalysts

#66
20080306318
2008-12-11

Process for producing para-xylene

#67
20070249882
2007-10-25

Process for producing para-xylene

#68
15358248
2018-03-20

Naphthene ring opening over self-supported multi-metallic catalysts