ClassID:

34603

B01J2523/67 - CPC Classification

Classification description:

Constitutive chemical elements of heterogeneous catalysts of Group VI (VIA or VIB) of the Periodic Table Chromium

Recent Application in this class:
#1
20250319457
2025-10-16

CATALYST FOR THE MANUFACTURE OF ACRYLONITRILE

#2
20250196105
2025-06-19

CHROMIUM-ON-ALUMINA CATALYSTS FOR HYDROCARBON DEHYDROGENATION

#3
20250084045
2025-03-13

PROCESS FOR THE PRODUCTION OF BIS(PYRROLIDINO)BUTANE IN THE LIQUID PHASE

#4
20240390878
2024-11-28

GRAIN BOUNDARY AND SURFACE-DOPED RARE EARTH MANGANESE-ZIRCONIUM COMPOSITE COMPOUND AND PREPARATION METHOD AND USE THEREOF

#5
20230322669
2023-10-12

Method for producing pyrrole compound

#6
20220135494
2022-05-05

Catalyst for converting carbon-containing stream to C2 to C5 paraffins and method using the catalyst

#7
20210309609
2021-10-07

Method for producing pyrrole compound

#8
20210268484
2021-09-02

Hybrid catalysts comprising a mixed metal oxide component for production of C2 and C3 hydrocarbons

#9
20210146339
2021-05-20

Catalyst compositions and process for direct production of hydrogen cyanide in an acrylonitrile reactor feed stream

#10
20210087120
2021-03-25

Catalyst and method for converting carbon-containing stream to C2 to C5 paraffins using it

#11
20200360903
2020-11-19

Hydroprocessing catalyst for the reduction of metals and sulfur in heavy feeds

#12
20200148637
2020-05-14

Method for producing pyrrole compound

#13
20200148612
2020-05-14

Gas-phase catalytic fluorination with chromium catalysts

#14
20200115309
2020-04-16

Effects of catalyst concentration and solid activator on nickel-mediated olefin/carbon dioxide coupling to acrylates

#15
20200061584
2020-02-27

Method for preparing a carbon-supported, platinum-transition metal alloy nanoparticle fuel cell catalyst

#16
20190314788
2019-10-17

Catalyst system and process utilizing the catalyst system

#17
20190262811
2019-08-29

Catalyst for synthesizing aromatic hydrocarbons and preparation method therefor

#18
20190217279
2019-07-18

Denitrification catalyst for vessel, using ceramic nanotubes grown on porous metal structure, and preparation method thereof

#19
20190185345
2019-06-20

Highly active multimetallic materials using short-chain alkyl quaternary ammonium compounds

#20
20190185343
2019-06-20

Highly active trimetallic materials using short-chain alkyl quaternary ammonium compounds

#21
20190112249
2019-04-18

Multitubular reactor for liquid phase alcohol dehydrogenation and method for liquid phase alcohol dehydrogenation

#22
20190047928
2019-02-14

Process for preparing a mixture of terpene alcohols

#23
20190047925
2019-02-14

Method for co-production of 1-chloro-3,3,3-trifluoropropene, 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene

#24
20190031596
2019-01-31

Macroporous catalyst for the preparation of aliphatic amines

#25
20190031583
2019-01-31

Method for producing trans-1-chloro-3,3,3-trifluoropropene

#26
20190022596
2019-01-24

Catalyst-containing oxygen transport membrane

#27
20190009252
2019-01-10

CATALYST COMPOSITIONS AND PROCESS FOR DIRECT PRODUCTION OF HYDROGEN CYANIDE IN AN ACRYLONITRILE REACTOR FEED STREAM

#28
20190002374
2019-01-03

Process for producing chlorotrifluoroethylene

#29
20190002372
2019-01-03

Catalyst and hydrocarbon conversion process utilizing the catalyst

#30
20180370878
2018-12-27

Gas-phase catalytic fluorination with chromium catalysts

#31
20180369789
2018-12-27

Cluster supported catalyst and method for producing same

#32
20180339289
2018-11-29

Method for preparing oligomerization catalyst system and oligomerization catalyst system prepared thereby

#33
20180207617
2018-07-26

Method for preparing mixed metal oxide catalysts containing molybdenum and bismuth

#34
20180186736
2018-07-05

Method for producing pyrrole compound

#35
20180065916
2018-03-08

Catalyst for fixed bed aniline rectification residue recycling and preparation method

#36
20180009727
2018-01-11

Method for olefin oligomerization

#37
20170305811
2017-10-26

Deactivator and method for decreasing by-products in olefin oligomerization using the same

#38
20170267603
2017-09-21

Method for oligomerizing an olefin

#39
20160068455
2016-03-10

Process for producing chlorotrifluoroethylene

#40
20140350282
2014-11-27

Pre calcination additives for mixed metal oxide ammoxidation catalysts

#41
20130085062
2013-04-04

NOVEL FORMULATION OF HEXA-ALUMINATES FOR REFORMING FUELS

#42
20130072710
2013-03-21

Mixed metal oxide catalysts

#43
20120277330
2012-11-01

Process for producing transportation fuels from syngas

#44
20120196744
2012-08-02

Process for producing composite oxide catalyst

#45
20120149933
2012-06-14

AMMOXIDATION CATALYST AND METHOD FOR PRODUCING NITRILE COMPOUND USING THE SAME

#46
20120130112
2012-05-24

Mixed metal oxide ammoxidation catalysts

#47
20120108417
2012-05-03

Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same

#48
20120108416
2012-05-03

Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same

#49
20120078026
2012-03-29

Method for production of conjugated diolefin

#50
20120039758
2012-02-16

Catalyst for removing nitrogen oxides

#51
20120027670
2012-02-02

Self sustained electrochemical promotion catalysts

#52
20120022174
2012-01-26

FISCHER-TROPSCH SYNTHESIS CATALYST, PREPARATION AND APPLICATION THEREOF

#53
20110295041
2011-12-01

Catalyst for producing unsaturated aldehyde by oxidation of lower olefin at high space velocity

#54
20110263415
2011-10-27

Mixed oxide catalysts for catalytic gas phase oxidation

#55
20110237821
2011-09-29

Attrition resistant mixed metal oxide ammoxidation catalysts

#56
20110237820
2011-09-29

Process for preparing improved mixed metal oxide ammoxidation catalysts

#57
20110237753
2011-09-29

Mixed metal oxide ammoxidation catalysts

#58
20110233460
2011-09-29

High efficiency ammoxidation process and mixed metal oxide catalysts

#59
20110230681
2011-09-22

Method for producing amines

#60
20110172483
2011-07-14

Oxide catalyst and phosphoric oxide catalyst for hydrocarbon steam cracking, method for preparing the same and method for preparing olefin by using the same

#61
20110160485
2011-06-30

METHOD FOR THE PRODUCTION OF MIXED OXIDES CONTAINING COPPER AND CHROMIUM

#62
20110150742
2011-06-23

CATALYSTS FOR NOX REDUCTION EMPLOYING H2 AND A METHOD OF REDUCING NOX

#63
20110121238
2011-05-26

Composite oxide for hydrocarbon reforming catalyst, process for producing the same, and process for producing syngas using the same

#64
20110101265
2011-05-05

Carbon nanofiber, producing method and use of the same

#65
20110034330
2011-02-10

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

#66
20110034326
2011-02-10

Coated catalysts comprising a multimetal oxide comprising molybdenum

#67
20100312035
2010-12-09

Alkane dehydrogenation catalysts

#68
20100312032
2010-12-09

Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same

#69
20100286450
2010-11-11

Mixed oxide catalysts for catalytic gas phase oxidation

#70
20100278709
2010-11-04

Catalyst for production of nitric oxide

#71
20100207070
2010-08-19

Hydrocarbon-reforming catalyst and process for producing synthesis gas using the same

#72
20100207053
2010-08-19

Catalyst composition for the synthesis of thin multi-walled carbon nanotube and its manufacturing method

#73
20100196260
2010-08-05

CATALYST FOR VAPOUR CONVERSION OF CARBON MONOXIDE METHODS FOR THE PRODUCTION AND FOR THE USE THEREOF

#74
20100190874
2010-07-29

Catalytic hyrogenation of carbon dioxide into syngas mixture

#75
20100160696
2010-06-24

Method of hydrodechlorination to produce dihydrofluorinated olefins

#76
20100105926
2010-04-29

POLYNARY METAL OXIDE PHOSPHATE

#77
20100047143
2010-02-25

Oxidation catalyst

#78
20090283419
2009-11-19

Catalyst Consisting of a Solid Support, an Oxide and a Metal Active Phase Which is Grafted on the Oxide, a Method for the Preparation and the Use Thereof

#79
20090270648
2009-10-29

Fluidized bed catalyst for producing acrylonitrile and process for producing acrylonitrile

#80
20090234149
2009-09-17

Catalyst for synthesizing acrylonitrile and process for producing acrylonitrile

#81
20090221843
2009-09-03

Catalyst for producing acrylonitrile and process for producing acrylonitrile

#82
20090184281
2009-07-23

Method of forming non-stoichiometric nanoscale powder comprising temperature-processing of a stoichiometric metal compound

#83
20090137857
2009-05-28

Method for preparation of ethylene and propylene by catalytic cracking using a fluid-bed catalyst

#84
20090118536
2009-05-07

Process for the Production of Aromatic Carboxylic Acids in Water

#85
20090105066
2009-04-23

Catalyst for hydrocarbon steam cracking, method of preparing the same and method of preparing olefin by using the same

#86
20090088585
2009-04-02

Process and catalyst for oxidizing aromatic compounds

#87
20090069594
2009-03-12

Process and Catalyst for Oxidizing Aromatic Compounds

#88
20080308456
2008-12-18

Oxidic Metal Composition, Its Preparation And Use As Catalyst Composition

#89
20080247917
2008-10-09

Catalyst for removing nitrogen oxides

#90
20080227632
2008-09-18

Advances in amination catalysis

#91
20080177117
2008-07-24

Integrated catalytic process for converting alkanes to alkenes and catalysts useful for same

#92
20080176070
2008-07-24

CARBON FIBER AND CATALYST FOR MANUFACTURE OF CARBON FIBER

#93
20080156228
2008-07-03

Inorganic colors and related nanotechnology

#94
20080081008
2008-04-03

Oxide catalyst and phosphoric oxide catalyst for hydrocarbon steam cracking, method for preparing the same and method for preparing olefin by using the same

#95
20080064590
2008-03-13

Activated mixed metal oxide oxidation catalysts

#96
20070254805
2007-11-01

Reforming Catalyst

#97
20070213210
2007-09-13

Process for the production of hetreroaromatic nitriles, improved catalyst therefor and a process for the production of said improved catalyst

#98
20070123742
2007-05-31

Process for the preparation of 1,1,1,3,3-pentafluoropropane and 1,1,1,3,3,3-hexafluoropropane

#99
20070083073
2007-04-12

Catalyst and method for converting low molecular weight paraffinic hydrocarbons into alkenes and organic compounds with carbon numbers of 2 or more

#100
20070042904
2007-02-22

Fluid-bed catalyst for the preparation of ethylene and propylene by catalytic cracking

#101
20070004585
2007-01-04

Chromium oxide compositions containing zinc, their preparation and their use as catalysts and catalyst precursors

#102
20060280998
2006-12-14

Method of dry reforming a reactant gas with intermetallic catalyst

#103
20060258890
2006-11-16

Process for the preparation of 1,1,1,3,3,3-hexafluoropropane and at least one of 1,1,1,2,3,3-hexafluoropropane and 1,1,1,2,3,3,3-heptafluoropropane

#104
20060234861
2006-10-19

Support for gas-phase oxidation catalyst and process for its production, gas-phase oxidation catalyst, and process for producing acrylic acid

#105
20060217578
2006-09-28

Process for the preparation of 1,1,1,3,3-pentafluoropropane and 1,1,1,2,3-pentafluoropropane

#106
20060216229
2006-09-28

Composition comprising a metal hydroxy salt, its preparation and use as catalyst or sorbent

#107
20060199730
2006-09-07

Composition and method for improving density and hardness of fluid bed catalysts

#108
20060199729
2006-09-07

Broad band light absorbing photocatalyst, process for producing thereof, broad band light absorbing photocatalyst composition, and molded article

#109
20060189835
2006-08-24

Method for producing 1,1,1-trifluoroethane

#110
20060167299
2006-07-27

Hydrothermally synthesized Mo-V-M-Nb-X oxide catalysts for the selective oxidation of hydrocarbons

#111
20060155139
2006-07-13

Particulate porous ammoxidation catalyst

#112
20060081922
2006-04-20

Method of controlling emissions from a diesel cycle internal combustion engine with perovskite-type metal oxide compounds

#113
20060068080
2006-03-30

Combinatorial discovery of nanomaterials

#114
20060040824
2006-02-23

Nitrogen oxides-removing material and device

#115
20050222421
2005-10-06

Process for preparing nicotinic acid and catalyst used in the method

#116
20050176984
2005-08-11

Method for the preparation of halogenated benzonitriles

#117
20050137082
2005-06-23

Catalyst for removing nitrogen oxides

#118
20050096216
2005-05-05

Process for the production of iron oxide containing catalysts

#119
20050049143
2005-03-03

Exhaust gas treatment catalyst and exhaust gas treatment method

#120
20050038299
2005-02-17

Methanol oxidation over bulk metal vanadate catalysts

#121
20050035068
2005-02-17

Catalytic systems and process for treatment of industrial process and waste streams

#122
17186528
2023-10-24

Perovskite oxides for thermochemical conversion of carbon dioxide