ClassID:

90702

C07C5/3332 - CPC Classification

Classification description:

Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen; Formation of non-aromatic carbon-to-carbon double bonds only; Catalytic processes with metal oxides or metal sulfides

Recent Application in this class:
#1
20260021479
2026-01-22

METHOD FOR PRODUCING PROPYLENE VIA OXIDATED DEHYDROGENATION OF PROPANE

#2
20260001059
2026-01-01

LIGHT ALKANE CHROMIUM-BASED DEHYDROGENATION CATALYST, AND PREPARATION METHOD AND APPLICATION THEREOF

#3
20250276308
2025-09-04

LOW-TEMPERATURE OXIDATIVE DEHYDROGENATION OF LOW-CARBON ALKANES TO LIGHT OLEFINS WITH MICRO-MESOPOROUS CATALYST

#4
20250276304
2025-09-04

CATALYST COMPOSITIONS AND METHODS OF PREPARATION AND USE THEREOF

#5
20250084017
2025-03-13

ETHANOL DEHYDRATION PROCESS

#6
20240399341
2024-12-05

ETHYLBENZENE DEHYDROGENATION CATALYST, PREPARATION METHOD THEREFOR, AND USE THEREOF

#7
20240351014
2024-10-24

CO2-MEDIATED OXIDATIVE DEHYDROGENATION OF PROPANE OVER MODIFIED VOx/Al2O3 CATALYST COMPOSITION

#8
20240317657
2024-09-26

PROCESS AND A SYSTEM FOR ENHANCING THE YIELD OF LIGHT OLEFINS

#9
20240294447
2024-09-05

Process and System for Preparing a Target Compound

#10
20240199511
2024-06-20

METHOD FOR PRODUCING PROPYLENE

#11
20240109823
2024-04-04

PROCESS OF PRODUCING ALKENYLAROMATIC COMPOUND USING DEHYDROGENATION CATALYST

#12
20230364573
2023-11-16

FIXED BED REACTOR SYSTEM FOR OXIDATIVE DEHYDROGENATION OF ETHANE

#13
20230348343
2023-11-02

Oxidative dehydrogenation process

#14
20230303465
2023-09-28

Pretreating Metal Oxide Catalysts for Alkane Dehydrogenation

#15
20230211318
2023-07-06

SUPPORTED CATALYSTS FOR NON-OXIDATIVE DEHYDROGENATION OF ALKANES

#16
20230173463
2023-06-08

Catalyst for olefins generation

#17
20230149908
2023-05-18

CATALYST COMPOSITIONS AND METHODS OF PREPARATION AND USE THEREOF

#18
20230101996
2023-03-30

A process, unit and reaction system for dehydrogenation of low carbon alkane

#19
20230090704
2023-03-23

CATALYST COMPOSITIONS AND METHODS OF PREPARATION AND USE THEREOF

#20
20220168699
2022-06-02

Alkane catalytic dehydrogenation reaction device and catalyst regeneration device

#21
20220080390
2022-03-17

Mixed metal oxide catalyst useful for paraffin dehydrogenation

#22
20210402379
2021-12-30

Cobalt-based single-atom dehydrogenation catalysts having improved thermal stability and method for producing olefins from corresponding paraffins by using the same

#23
20210354112
2021-11-18

Method of producing olefin using circulating fluidized bed process

#24
20210346868
2021-11-11

Mixed metal oxide catalyst useful for paraffin dehydrogenation

#25
20210339227
2021-11-04

Vanadium oxide supported catalyst for alkane dehydrogenation

#26
20210284587
2021-09-16

Parallel reactor system for ethylbenzene dehydrogenation

#27
20210170370
2021-06-10

Shaped dehydrogenation catalysts and process for converting paraffins to corresponding olefins, using same

#28
20210154645
2021-05-27

Agglomerated ODH catalyst

#29
20210113993
2021-04-22

Catalyst having enhanced conversion and selectivity for manufacturing olefin, and manufacturing method therof

#30
20210078922
2021-03-18

Sulfur injection in fluidization bed dehydrogenation on chromium catalyst for dehydrogenation process improvement and process scheme optimization

#31
20210077967
2021-03-18

Use of a fuel oil wash to remove catalyst from a fluidized-bed propane dehydrogenation reactor effluent

#32
20200361838
2020-11-19

Mixed metal oxide catalyst useful for paraffin dehydrogenation

#33
20200299212
2020-09-24

PROCESSES FOR CATALYTIC PARAFFIN DEHYDROGENATION AND CATALYST RECOVERY

#34
20200290026
2020-09-17

Synthesis of a moVNbTe catalyst from low-cost metal oxides

#35
20200199042
2020-06-25

Conversion of paraffins to olefins and heavier hydrocarbons mediated by metal oxides

#36
20200199041
2020-06-25

PROCESSES FOR CONVERTING NAPHTHA TO DISTILLATE PRODUCTS

#37
20200156050
2020-05-21

DEHYDROGENATION CATALYSTS FOR CONVERTING ALKYL AROMATIC COMPOUNDS SUCH AS ETHYLBENZENE

#38
20200101445
2020-04-02

Mixed metal oxide catalyst useful for paraffin dehydrogenation

#39
20200101444
2020-04-02

Mixed metal oxide catalyst useful for paraffin dehydrogenation

#40
20190389791
2019-12-26

Circular economy methods of preparing unsaturated compounds

#41
20190381492
2019-12-19

Double peroxide treatment of oxidative dehydrogenation catalyst

#42
20190330125
2019-10-31

Olefin production method using circulating fluidized bed process

#43
20190309229
2019-10-10

Pyrolysis tube for manufacturing olefin and method for manufacturing dehydrogenating catalyst

#44
20190225563
2019-07-25

Integrated C3—C4 hydrocarbon dehydrogenation process

#45
20190160453
2019-05-30

Binder-free high strength, low steam-to-oil ratio ethylbenzene dehydrogenation catalyst

#46
20190126242
2019-05-02

Dehydrogenation catalysts

#47
20190099745
2019-04-04

Process for reacting oxygen carrying regenerated catalyst prior to use in a fluidized bed reactor

#48
20190055174
2019-02-21

Unsaturated hydrocarbon production method and conjugated diene production method

#49
20190039050
2019-02-07

Agglomerated ODH catalyst

#50
20190031580
2019-01-31

Method of preparing butadiene

#51
20190016649
2019-01-17

Catalytic body coated with metal oxide, method of manufacturing the same, and method of preparing 1,3-butadiene using the same

#52
20180370872
2018-12-27

Dehydrogenation catalyst for alkylaromatic compound, process for producing same, and dehydrogenation method using same

#53
20180318807
2018-11-08

Binder-free high strength, low steam-to-oil ratio ethylbenzene dehydrogenation catalyst

#54
20180297913
2018-10-18

Metal-loaded zeolite catalyst for dehydrogenation of light alkane and preparation method thereof

#55
20180244592
2018-08-30

DEHYDROGENATION OF ETHYLBENZENE TO STYRENE

#56
20180193827
2018-07-12

Double peroxide treatment of oxidative dehydrogenation catalyst

#57
20180170836
2018-06-21

Parallel reactor system for ethylbenzene dehydrogenation

#58
20180169628
2018-06-21

CATALYST FOR THE DEHYDROGENATION OF HYDROCARBONS

#59
20180093253
2018-04-05

Multimetallic catalysts

#60
20180079700
2018-03-22

Integrated C3—C4 hydrocarbon dehydrogenation process

#61
20180043338
2018-02-15

Catalytic composition and process for the dehydrogenation of butenes or mixtures of butanes and butenes to give 1,3-butadiene

#62
20170369399
2017-12-28

Process for enhancing the performance of the dehydrogenation of alkanes

#63
20170362155
2017-12-21

Circular economy methods of preparing unsaturated compounds

#64
20170305814
2017-10-26

Method for improving propane dehydrogenation process

#65
20170297979
2017-10-19

Embedded alkane dehydrogenation systems and processes

#66
20170297978
2017-10-19

Fluidizable alkane dehydrogenation catalyst

#67
20170267609
2017-09-21

Process for converting paraffin to olefin and catalyst for use therein

#68
20170267608
2017-09-21

SINTERING-RESISTANT NANOSIZED IRON OXIDE BASED CATALYSTS

#69
20170267607
2017-09-21

Concurrent reduction for improving the performance of the dehydrogenation of alkanes

#70
20170247302
2017-08-31

Dehydrogenation of alkanes to alkenes

#71
20170166499
2017-06-15

METHOD FOR OPERATING A DEHYDROGENATION REACTOR FOR THE DEHYDROGENATION OF HYDROCARBONS

#72
20170121241
2017-05-04

Catalyst for dehydrogenating hydrocarbons

#73
20170106360
2017-04-20

ISOTHERMAL CHEMICAL PROCESS

#74
20170073284
2017-03-16

Catalyst for dehydrogenating hydrocarbons

#75
20170036972
2017-02-09

Method of preparing conjugated diene and device therefor

#76
20170036195
2017-02-09

Catalyst for reduced nitrogen oxide (NO) emissions in an oxodehydrogenation process

#77
20170008821
2017-01-12

Fluidizable catalysts for oxidative dehydrogenation of hydrocarbons

#78
20160368839
2016-12-22

Method of preparing multicomponent composite metal oxide catalyst

#79
20160362351
2016-12-15

Method for producing hydrocarbons by non-oxidative coupling of methane

#80
20160326069
2016-11-10

Process for converting paraffin to olefin and catalyst for use therein

#81
20160289141
2016-10-06

METHOD AND APPARATUS FOR CARRYING OUT ENDOTHERMIC REACTIONS

#82
20160288093
2016-10-06

Heterogeneous alkane dehydrogenation catalyst

#83
20160176779
2016-06-23

Ethane and Ethylene to Aromatics

#84
20160122263
2016-05-05

METHODS FOR ALKANE DEHYDROGENATION

#85
20160074838
2016-03-17

Selective alkane activation with single-site atoms on amorphous support

#86
20150321973
2015-11-12

Production of styrene

#87
20150259265
2015-09-17

Dehydrogenation process with heat generating material

#88
20150238939
2015-08-27

Oxide catalyst and method for producing the same, and methods for producing unsaturated aldehyde, diolefin, and unsaturated nitrile

#89
20150238933
2015-08-27

Process for non-oxidative dehydrogenation of alkane

#90
20150151283
2015-06-04

Dehydrogenation catalyst, its use and method of preparation

#91
20150133685
2015-05-14

PROCESS TO PRODUCE A DIENE FROM A LACTONE

#92
20150073191
2015-03-12

Process for the preparation of hydrogenated hydrocarbon compounds

#93
20150045582
2015-02-12

Process for making ethylene and acetic acid

#94
20150045211
2015-02-12

Chromia alumina catalysts for alkane dehydrogenation

#95
20150017696
2015-01-15

RECOMBINANT HOST CELLS AND PROCESSES FOR PRODUCING 1,3-BUTADIENE THROUGH A CROTONOL INTERMEDIATE

#96
20150005532
2015-01-01

Process for the production of 1,3-butadiene

#97
20140378731
2014-12-25

Catalytic composition and process for the dehydrogenation of butenes or mixtures of butanes and butenes to give 1,3-butadiene

#98
20140296606
2014-10-02

Catalyst bed system for an endothermic catalytic dehydrogenation process and an endothermic dehydrogenation process

#99
20140296605
2014-10-02

Catalyst composition for the dehydrogenation of alkanes

#100
20140275686
2014-09-18

Selective alkane activation with single-site atoms on amorphous support

#101
20140140895
2014-05-22

Counter-current fluidized bed reactor for the dehydrogenation of olefins

#102
20140046107
2014-02-13

Reverse flow reactors for propylene and aromatics production

#103
20130317273
2013-11-28

Process for non-oxidative dehydrogenation of alkane

#104
20130253249
2013-09-26

DEHYDROGENATION PROCESS

#105
20130158325
2013-06-20

Mixed manganese ferrite coated catalyst, method of preparing the same, and method of preparing 1,3-butadiene using the same

#106
20130131418
2013-05-23

Mesoporous carbon supported copper based catalyst, production and use thereof

#107
20130109898
2013-05-02

PROCESS FOR REPROCESSING SPENT STYRENE CATALYSTS

#108
20130109560
2013-05-02

PROCESS FOR REPROCESSING SPENT CATALYSTS

#109
20130072739
2013-03-21

Chromia alumina catalysts for alkane dehydrogenation

#110
20130053608
2013-02-28

DEHYDROGENATION CATALYST OF ALKYL AROMATIC COMPOUNDS HAVING IMPROVED PHYSICAL STRENGTH, PROCESS FOR PRODUCING SAME, AND DEHYDROGENATION METHOD THEREOF

#111
20120136191
2012-05-31

CATALYST AND PROCESS

#112
20120123177
2012-05-17

Process for the preparation of hydrogenated hydrocarbon compounds

#113
20120108877
2012-05-03

Propane dehydrogenation process utilizing fluidized catalyst system

#114
20120078025
2012-03-29

Use of a direct heating device with a reheater in a dehydrogenation unit

#115
20120078024
2012-03-29

Removal of Hydrogen From Dehydrogenation Processes

#116
20120041247
2012-02-16

CATALYST FOR PRODUCING ALKENE, THE METHOD FOR PRODUCING THE SAME AND THE METHOD FOR PRODUCING ALKENE

#117
20110251448
2011-10-13

Endothermic hydrocarbon conversion process

#118
20110245568
2011-10-06

Dehydrogenation Reactions of N-Butene to Butadiene

#119
20110245561
2011-10-06

Dehydrogenation of Alkyl Aromatics

#120
20110230698
2011-09-22

Reactor flowscheme for dehydrogenation of propane to propylene

#121
20110213189
2011-09-01

Dehydrogenation catalyst for alkyl aromatic compounds exhibiting high performance in the presence of high-concentration CO

#122
20110178350
2011-07-21

Dehydrogenation Catalyst of Alkylaromatic Compounds Having High Redox Ability, Process for Producing Same, And Dehydrogenation Method Using Same

#123
20110130605
2011-06-02

Regeneration and Stabilization of Dehydrogenation Catalyst

#124
20110112348
2011-05-12

PROCESS FOR MAKING STYRENE USING MIRCOHANNEL PROCESS TECHNOLOGY

#125
20110105818
2011-05-05

Dehydrogenation Catalyst with a Water Gas Shift Co-Catalyst

#126
20110105316
2011-05-05

Mixed Metal Oxide Ingredients for Bulk Metal Oxide Catalysts

#127
20110046424
2011-02-24

PROCESS FOR THE PREPARATION OF HYDROGENATED HYDROCARBON COMPOUNDS

#128
20110034330
2011-02-10

COATED CATALYSTS COMPRISING A MULTIMETAL OXIDE COMPRISING MOLYBDENUM, BISMUTH AND IRON

#129
20110034326
2011-02-10

Coated catalysts comprising a multimetal oxide comprising molybdenum

#130
20110009666
2011-01-13

Oxidation catalyst and its preparation

#131
20100312035
2010-12-09

Alkane dehydrogenation catalysts

#132
20100121123
2010-05-13

Zinc ferrite catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof

#133
20100111785
2010-05-06

EB/SM splitter heat recovery

#134
20100087694
2010-04-08

CATALYST FOR DEHYDROGENATION OF ALKYL AROMATIC COMPOUND WHICH HAS IMPROVED PHYSICAL PROPERTIES, METHOD FOR PRODUCTION OF THE CATALYST, AND DEHYDROGENATION METHOD

#135
20100081855
2010-04-01

Semi-Supported Dehydrogenation Catalyst

#136
20100030004
2010-02-04

Hybrid autothermal catalytic process for converting alkanes to alkenes and catalysts useful for same

#137
20100022817
2010-01-28

Dehydrogenation reactions of hydrocarbons to alkenes

#138
20100022816
2010-01-28

Dehydrogenation of Methylbutenes to Isoprene

#139
20100010280
2010-01-14

Catalyst for dehydrogenation of hydrocarbons

#140
20090325791
2009-12-31

Hydrocarbon Dehydrogenation with Zirconia

#141
20090325784
2009-12-31

Hydrocarbon dehydrogenation with zirconia

#142
20090318741
2009-12-24

METHOD OF IMPROVING A DEHYDROGENATION PROCESS

#143
20090281256
2009-11-12

CATALYST, ITS PREPARATION AND USE

#144
20090264692
2009-10-22

Use of direct heating device with a reheater in a dehydrogenation unit

#145
20090182186
2009-07-16

Supported catalyst for conversion of propane to propene and its use in a process for that conversion

#146
20090156873
2009-06-18

Method for extending catalyst life in processes for preparing vinyl aromatic hydrocarbons

#147
20090118557
2009-05-07

Dehydrogenation of alkyl aromatics

#148
20090062588
2009-03-05

Catalyst, its preparation and use

#149
20080207858
2008-08-28

CATALYST, ITS PREPARATION AND USE

#150
20080200741
2008-08-21

DEHYDROGENATION CATALYST, PROCESS FOR PREPARATION, AND A METHOD OF USE THEREOF

#151
20080200739
2008-08-21

Catalysts for dehydrogenation and/or hydrogenation of hydrocarbons, processes for preparing the same, and uses therefor

#152
20080200632
2008-08-21

CATALYST, ITS PREPARATION AND USE

#153
20080194891
2008-08-14

Process for the Preparation of Hydrogenated Hydrocarbon Compounds

#154
20080166274
2008-07-10

Oxidative dehydrogenation of alkyl aromatic hydrocarbons

#155
20080097134
2008-04-24

Endothermic hydrocarbon conversion process

#156
20080071124
2008-03-20

Catalyst comprising nanocarbon structures for the production of unsaturated hydrocarbons

#157
20080070779
2008-03-20

SHAPED CATALYST SYSTEM

#158
20080069745
2008-03-20

Manufacturing plant for the dehydrogenation of an unsaturated hydrocarbon

#159
20070225532
2007-09-27

Process for making styrene using mircochannel process technology

#160
20070142687
2007-06-21

Process for the production and purification of vinyl aromatic monomers

#161
20070009417
2007-01-11

Supported catalysts using nanoparticles as the support material

#162
20060224029
2006-10-05

Method of extending catalyst life in vinyl aromatic hydrocarbon formation

#163
20060149112
2006-07-06

Multi-layered dehydrogenation catalyst system and process of use

#164
20060106269
2006-05-18

Methods for designing and operating a dehydrogenation process system that uses a high stability dehydrogenation catalyst

#165
20060106268
2006-05-18

High activity and high stability iron oxide based dehydrogenation catalyst having a low concentration of titanium and the manufacture and use thereof

#166
20060106267
2006-05-18

Process for the manufacture of an alkenyl aromatic compound under low steam-to-oil process conditions

#167
20060094914
2006-05-04

Paraffin dehydrogenation catalyst

#168
20060060507
2006-03-23

Hydrocarbon conversion catalyst and methods for making and using it

#169
20060052635
2006-03-09

Oxidation catalyst and its preparation

#170
20060046929
2006-03-02

Zr02-base catalyst carrier and method for the production thereof

#171
20060009668
2006-01-12

Process for the dehydrogenation of an unsaturated hydrocarbon

#172
20050245779
2005-11-03

EB/SM splitter heat recovery

#173
20050232853
2005-10-20

Shaped particle having an asymmetrical cross sectional geometry

#174
20050222477
2005-10-06

Method for extending catalyst life in processes for preparing vinyl aromatic hydrocarbons

#175
20050165263
2005-07-28

Catalyst for the dehydrogenation of ethylbenzene to styrene

#176
20050124837
2005-06-09

Preparation of alkenylaromatic compounds

#177
20050080306
2005-04-14

Method of operating a dehydrogenation reactor system

#178
20050038308
2005-02-17

Process for co-producing para-xylene and styrene

#179
16587161
2020-11-17

Dehydrogenation process and system with reactor re-sequencing