ClassID:

90760

C07C7/167 - CPC Classification

Classification description:

Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound by hydrogenation for removal of compounds containing a triple carbon-to-carbon bond

Recent Application in this class:
#1
20250084018
2025-03-13

UPGRADING STREAMS COMPRISING C3 AND C4 HYDROCARBONS

#2
20230106956
2023-04-06

SYSTEM FOR BUILDING-SPECIFIC MULTI-PERIL RISK ASSESSMENT AND MITIGATION

#3
20220340504
2022-10-27

Upgrading streams comprising Cand Chydrocarbons

#4
20220306555
2022-09-29

Method of producing aromatic hydrocarbons

#5
20220251006
2022-08-11

Methods for operating integrated chemical processing systems for producing olefins

#6
20220251005
2022-08-11

Methods for operating acetylene hydrogenation units during integration of chemical processing systems for producing olefins

#7
20220227687
2022-07-21

Methods for operating acetylene hydrogenation units in integrated steam cracking and fluidized catalytic dehydrogenation systems

#8
20220153661
2022-05-19

Method and system for producing one or more olefins

#9
20220033329
2022-02-03

Systems and methods for isoprene purification

#10
20210031164
2021-02-04

Producing C5 olefins from steam cracker C5 feeds

#11
20200108368
2020-04-09

Producing C5 olefins from steam cracker C5 feeds—a process using a catalytic distillation reactor system

#12
20200101446
2020-04-02

Catalyst composition for selective hydrogenation with improved characteristics

#13
20200094226
2020-03-26

Catalyst composition for selective hydrogenation with improved characteristics

#14
20200055802
2020-02-20

Systems and methods for isoprene purification

#15
20190232249
2019-08-01

Producing C5 olefins from steam cracker C5 feeds

#16
20190077729
2019-03-14

Hydrogenation method

#17
20190076832
2019-03-14

Use of charge-containing molecules linked with covalent bonds to enhance acetylene hydrogenation catalysts

#18
20190076831
2019-03-14

Use of organic dopants to enhance acetylene hydrogenation catalysts

#19
20190071375
2019-03-07

Method and apparatus for producing 1,3-butadiene

#20
20190039974
2019-02-07

Green oil removal from ethylene plants

#21
20180265433
2018-09-20

MULTI-STAGE SELECTIVE HYDROGENATION PROCESS FOR PROCESSING OF BUTADIENE EXTRACTION UNIT

#22
20180236432
2018-08-23

Complex comprising oxidative dehydrogenation unit

#23
20180178187
2018-06-28

Producing C5 olefins from steam cracker C5 feeds

#24
20180178186
2018-06-28

Producing C5 olefins from steam cracker C5 feeds

#25
20180147564
2018-05-31

Selective hydrogenation catalyst for C3 hydrocarbon cuts from steam cracking and/or catalytic cracking

#26
20180147563
2018-05-31

Selective hydrogenation catalyst for a C3 hydrocarbon cut

#27
20170190640
2017-07-06

Separation method and separation apparatus

#28
20170106346
2017-04-20

Complex comprising oxidative dehydrogenation unit

#29
20170073289
2017-03-16

Methods and systems for separating C4 crude streams

#30
20160347690
2016-12-01

Hydrogen-assisted adsorption of sulphur compounds from olefin mixtures

#31
20160340275
2016-11-24

Butadiene extraction process

#32
20160332932
2016-11-17

PROCESSES FOR REDUCING DIENES IN A HIGH PURITY POLYENE STREAM

#33
20160221894
2016-08-04

Producing C5 olefins from steam cracker C5 feeds

#34
20160214913
2016-07-28

Hydrogenation reactor and process

#35
20150314270
2015-11-05

Selective hydrogenation catalyst and methods of making and using same

#36
20150005552
2015-01-01

Crude Butadiene Pre-Treatment for Removal of High Furan Content

#37
20140275674
2014-09-18

Methods and systems for separating olefins

#38
20140249339
2014-09-04

Complex comprising oxidative dehydrogenation unit

#39
20140206916
2014-07-24

Selective hydrogenation catalyst and methods of making and using same

#40
20140114102
2014-04-24

Selective hydrogenation method for phenylacetylene in the presence of cracking C8 fraction

#41
20140100399
2014-04-10

Butadiene extraction process

#42
20140018584
2014-01-16

More energy efficient C5 hydrogenation process

#43
20130253239
2013-09-26

Heavy Alkylbenzene Production Through Oligomerization

#44
20130237729
2013-09-12

Selective hydrogenation catalyst and methods of making and using same

#45
20130211162
2013-08-15

Method and system for purifying an ethylene-containing gas stream

#46
20130150639
2013-06-13

Process for selective hydrogenation in the presence of a catalyst based on a metal from group VIII prepared using at least one cyclic oligosaccharide

#47
20130131409
2013-05-23

Hydrocarbon conversion process

#48
20130102819
2013-04-25

CATALYST COMPOSITION FOR SELECTIVE HYDROGENATION WITH IMPROVED CHARACTERISTICS

#49
20130072733
2013-03-21

METHOD OF SEPARATING PENTENE-2 FROM A C5 CUT CONTAINING PENTENE-2 AND PENTENE-1 BY SELECTIVE OLIGOMERIZATION OF PENTENE-1

#50
20120323058
2012-12-20

PROCESS FOR USING LAYERED SPHERE CATALYST

#51
20120294774
2012-11-22

Selective CO oxidation for acetylene converter feed CO control

#52
20120209042
2012-08-16

Liquid Phase Hydrogenation of Alkynes

#53
20120123174
2012-05-17

CATALYST FOR SELECTIVE HYDROGENATION OF ACETYLENE COMPOUNDS

#54
20120108865
2012-05-03

Water gas shift for acetylene converter feed CO control

#55
20120071700
2012-03-22

CATALYSTS FOR HYDROGENATION OF UNSATURATED HYDROCARBONS AND PREPARATIONS AND USES THEREOF

#56
20120046512
2012-02-23

Method to purify olefin-containing hydrocarbon feedstocks

#57
20120046507
2012-02-23

Selective CO oxidation for acetylene converter feed CO control

#58
20120041245
2012-02-16

Integration of a methanol-to-olefin reaction system with a hydrocarbon pyrolysis system

#59
20120029254
2012-02-02

Ordered cobalt-aluminum and iron-aluminum intermetallic compounds as hydrogenation catalysts

#60
20110319684
2011-12-29

Method for selective hydrogenation of phenylacetylene using composite bed in the presence of styrene

#61
20110313220
2011-12-22

Selective catalytic hydrogenation of alkynes to corresponding alkenes

#62
20110308999
2011-12-22

Method for selective hydrogenation of phenylacetylene in the presence of styrene

#63
20110251447
2011-10-13

Process for hydrogenating highly unsaturated hydrocarbons and catalyst therefor

#64
20110245574
2011-10-06

Catalytic hydrogenation process

#65
20110118517
2011-05-19

Manufacturing Process for Branched and Linear Alkylated Benzene as Precursor for Enhanced Oil Recovery Surfactant

#66
20110060174
2011-03-10

CATALYST, A PROCESS FOR SELECTIVE HYDROGENATION OF ACETYLENE TO ETHYLENE AND A METHOD FOR THE MANUFACTURE OF THE CATALYST

#67
20110054227
2011-03-03

Process to Protect Hydrogenation and Isomerization Catalysts Using a Guard Bed

#68
20100331588
2010-12-30

Process for Using Layered Sphere Catalysts with High Accessibility Indexes

#69
20100331171
2010-12-30

Layered Sphere Catalysts with High Accessibility Indexes

#70
20100280295
2010-11-04

Use of a mixture of an ordered intermetallic compound and an inert material as a catalyst and corresponding hydrogenation processes

#71
20100261939
2010-10-14

Methods of Preparing, Optionally Supported, Ordered Intermetallic Palladium Gallium Compounds, the Compounds, as such, and Their Use in Catalysis

#72
20100240936
2010-09-23

CATALYSTS AND PROCESSES FOR SELECTIVE HYDROGENATION OF ACETYLENE AND DIENES IN LIGHT OLEFIN FEEDSTREAMS

#73
20100222210
2010-09-02

CATALYSTS AND PROCESSES FOR SELECTIVE HYDROGENATION OF ACETYLENE AND DIENES IN LIGHT OLEFIN FEEDSTREAMS

#74
20100217053
2010-08-26

Purification of an aromatic fraction containing acetylenes by selective hydrogenation of the acetylenes

#75
20100217052
2010-08-26

Catalyst For The Selective Hydrogenation Of Acetylenic Hydrocarbons And Method For Producing Said Catalyst

#76
20100185032
2010-07-22

Reactor for performing a three-phase reaction of a fluid and a gaseous phase on a packed bed catalyst

#77
20100152507
2010-06-17

Process for Using Layered Sphere Catalysts with High Accessibility Indexes

#78
20100152034
2010-06-17

Process for liquid phase hydrogenation

#79
20100152022
2010-06-17

Catalyst regeneration method

#80
20100145120
2010-06-10

Production of propylene and ethylene from butane and ethane

#81
20100125037
2010-05-20

Layered sphere catalyst formulations for selective hydrogenation performance

#82
20100048972
2010-02-25

Process for purification of ethylene-containing feedstreams

#83
20100016646
2010-01-21

Process for hydrogenating butadiyne

#84
20100010278
2010-01-14

PROCESS FOR SELECTIVE HYDROGENATION ON A GOLD-CONTAINING CATALYST

#85
20090299114
2009-12-03

Selective hydrogenation process and catalyst

#86
20090221861
2009-09-03

Hydrogenation process using catalyst comprising ordered intermetallic compound

#87
20090203520
2009-08-13

Selective hydrogenation catalyst designed for raw gas feed streams

#88
20090131246
2009-05-21

Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreams

#89
20090030250
2009-01-29

Selective hydrogenation catalyst

#90
20080300437
2008-12-04

Process for liquid phase hydrogenation

#91
20080242903
2008-10-02

Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreams

#92
20080234125
2008-09-25

Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreams

#93
20080119354
2008-05-22

Ni catalyst, process for making catalysts and selective hydrogenation process

#94
20080118642
2008-05-22

Ni catalyst, process for making catalysts and selective hydrogenation process

#95
20070249884
2007-10-25

Polyolefin processes with constituent high conversion alkane dehydrogenation in membrane reactors

#96
20070149835
2007-06-28

Systems of producing monoolefins by the extraction-hydrogenation of highly unsaturated hydrocarbons

#97
20070142683
2007-06-21

Supported catalyst for the selective hydrogenation of alkynes and dienes

#98
20070038008
2007-02-15

Process for the selective hydrogenation of phenylacetylene

#99
20070021638
2007-01-25

Process for liquid phase hydrogenation

#100
20070021637
2007-01-25

Absorption and conversion of acetylenic compounds

#101
20070004946
2007-01-04

Process for removal of alkynes and/or dienes from an olefin stream

#102
20060229478
2006-10-12

Palladium-based catalyst for selective hydrogenation of acetylene

#103
20060229477
2006-10-12

Method of operating downflow boiling point reactors in the selective hydrogenation of acetylenes and dienes

#104
20060217579
2006-09-28

Selective hydrogenation process and catalyst therefor

#105
20060178262
2006-08-10

Hydrogenation catalyst

#106
20060166816
2006-07-27

Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreams

#107
20060155154
2006-07-13

Process for the selective hydrogenation of alkynes

#108
20060135840
2006-06-22

Recovery and purification of ethylene

#109
20060084830
2006-04-20

Selective hydrogenation process and catalyst

#110
20060063954
2006-03-23

Catalyst and process for selective hydrogenation

#111
20060060505
2006-03-23

Catalyst and process for selective hydrogenation

#112
20060025641
2006-02-02

Process for the selective hydrogenation of alkynes and/or dienes in an olefin-containing hydrocarbon stream

#113
20060025302
2006-02-02

Selective hydrogenation catalyst designed for raw gas feed streams

#114
20050288538
2005-12-29

Catalyst and process for selective hydrogenation

#115
20050209491
2005-09-22

Ni catalyst, process for making catalysts and selective hydrogenation process

#116
20050203320
2005-09-15

Hydrogenation catalyst and hydrogenation process

#117
20050154241
2005-07-14

Selective hydrogenation of acetylenes

#118
20050113615
2005-05-26

Catalyst and process for selective hydrogenation

#119
20050113614
2005-05-26

Catalyst and process for selective hydrogenation

#120
20050113613
2005-05-26

Selective hydrogenation of alkynes and/or diolefins

#121
20050113251
2005-05-26

Catalyst and process for selective hydrogenation

#122
20050107649
2005-05-19

Methods and systems of producing monoolefins by the extraction-hydrogenation of highly unsaturated hydrocarbons

#123
20050096217
2005-05-05

Selective hydrogenation catalyst

#124
20050090701
2005-04-28

Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream

#125
20050049445
2005-03-03

Process for liquid phase hydrogenation

#126
20050027149
2005-02-03

Process for the selective hydrogenation of phenylacetylene

#127
20050010070
2005-01-13

Hydrogenation catalyst and hydrogenation process