ClassID:

93020

C07C253/26 - CPC Classification

Classification description:

Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons containing carbon-to-carbon multiple bonds, e.g. unsaturated aldehydes

Recent Application in this class:
#1
20260145162
2026-05-28

DEHYDRATION CATALYSTS FOR ACROLEIN PRODUCTION FROM GLYCEROL AND METHODS FOR FORMING THE SAME

#2
20250319457
2025-10-16

CATALYST FOR THE MANUFACTURE OF ACRYLONITRILE

#3
20250263364
2025-08-21

FORCED DYNAMIC OPERATION FOR ACRYLONITRILE MANUFACTURE

#4
20240182405
2024-06-06

HEAT REMOVAL TUBE SET, METHOD FOR INCREASING REACTION LOAD, AND METHOD FOR PRODUCING UNSATURATED NITRILE

#5
20240181417
2024-06-06

HEAT REMOVAL TUBE SET AND APPLICATION THEREOF IN TEMPERATURE CONTROL OF FLUIDIZED BED REACTOR AND PRODUCTION OF UNSATURATED NITRILE

#6
20240075464
2024-03-07

CATALYST FOR GAS-PHASE CATALYTIC AMMOXIDATION REACTION AND METHOD FOR PRODUCING CATALYST FOR GAS-PHASE CATALYTIC AMMOXIDATION REACTION

#7
20230057640
2023-02-23

AMMOXIDATION CATALYST FOR PROPYLENE, MANUFACTURING METHOD OF THE SAME CATALYST, AMMOXIDATION METHOD USING THE SAME CATALYST

#8
20220395817
2022-12-15

AMMOXIDATION CATALYST FOR PROPYLENE, MANUFACTURING METHOD OF THE SAME CATALYST, AMMOXIDATION METHOD USING THE SAME CATALYST

#9
20220033351
2022-02-03

System and method for producing propylene and acrylonitrile from carbon dioxide and ethylene

#10
20220023837
2022-01-27

Ammoxidation catalyst for propylene, manufacturing method of the same catalyst, ammoxidation method using the same catalyst

#11
20220002233
2022-01-06

AMMOXIDATION CATALYST FOR PROPYLENE, MANUFACTURING METHOD OF THE SAME CATALYST, AMMOXIDATION METHOD USING THE SAME CATALYST

#12
20210370256
2021-12-02

Fluidized bed reactor

#13
20210322959
2021-10-21

CATALYST, METHOD FOR PRODUCING CATALYST, AND METHOD FOR PRODUCING ACRYLONITRILE

#14
20210316292
2021-10-14

Method for producing catalyst for ammoxidation, and method for producing acrylonitrile

#15
20210146343
2021-05-20

Method for producing catalyst and method for producing unsaturated nitrile

#16
20210070693
2021-03-11

Method for producing acrylonitrile

#17
20210053910
2021-02-25

System and method for producing propylene and acrylonitrile from carbon dioxide and ethylene

#18
20200368707
2020-11-26

Fluid distributor, reaction device and application thereof

#19
20200254429
2020-08-13

PROCESS AND CATALYSTS FOR THE OXIDATION AND/OR AMMOXIDATION OF OLEFIN

#20
20200095306
2020-03-26

Prevention of tissue ischemia and related methods

#21
20200087251
2020-03-19

Process for producing unsaturated nitrile

#22
20200061590
2020-02-27

CATALYST FOR AMMOXIDATION, METHOD FOR PRODUCING THE SAME AND METHOD FOR PRODUCING ACRYLONITRILE

#23
20190282991
2019-09-19

Off-gas incinerator control

#24
20190225576
2019-07-25

Process for producing unsaturated nitrile

#25
20190152898
2019-05-23

Ammoxidation reactor control

#26
20190143304
2019-05-16

Method for producing oxide catalyst and method for producing unsaturated nitrile

#27
20190126262
2019-05-02

Method for producing ammoxidation catalyst and method for producing acrylonitrtie

#28
20190091666
2019-03-28

Method for producing ammoxidation catalyst, and method for producing acrylonitrile

#29
20190047945
2019-02-14

Purifying method, production method, and distillation apparatus for acrylonitrile

#30
20190002400
2019-01-03

Acrylonitrile derivatives from epoxide and carbon monoxide reagents

#31
20190001309
2019-01-03

CATALYST FOR FLUIDIZED BED AMMOXIDATION REACTION, AND METHOD FOR PRODUCING ACRYLONITRILE

#32
20180318803
2018-11-08

CATALYST FOR FLUIDIZED BED AMMOXIDATION REACTION, AND METHOD FOR PRODUCING ACRYLONITRILE

#33
20180229222
2018-08-16

Compositions and methods related to the production of acrylonitrile

#34
20180222851
2018-08-09

Synthetic methods for the preparation of propylene ammoxidation catalysts

#35
20180222850
2018-08-09

Synthetic methods for the preparation of propylene ammoxidation catalysts

#36
20180133699
2018-05-17

MIXED METAL OXIDE AMMOXIDATION CATALYSTS

#37
20180099925
2018-04-12

Ammoxidation catalyst with selective co-product HCN production

#38
20170114007
2017-04-27

AMMOXIDATION CATALYSTS CONTAINING SAMARIUM

#39
20160354761
2016-12-08

METHOD FOR PRODUCING OXIDE CATALYST, AND METHOD FOR PRODUCING UNSATURATED NITRILE

#40
20160340296
2016-11-24

Mixed metal oxide catalysts

#41
20160304788
2016-10-20

BIOMASS-DERIVED CHEMICAL INTERMEDIATES

#42
20160279618
2016-09-29

Metal oxide catalyst material and processes for making and using same

#43
20160257644
2016-09-08

ACRYLONITRILE MANUFACTURE

#44
20160222097
2016-08-04

Prevention of tissue ischemia and related methods

#45
20160207865
2016-07-21

Process for manufacturing acrylic acid, acrylonitrile and 1,4-butanediol from 1,3-propanediol

#46
20160175817
2016-06-23

Mixed metal oxide ammoxidation catalysts

#47
20160059221
2016-03-03

Selective ammoxidation catalysts

#48
20160051967
2016-02-25

Method for producing a catalyst for the partial oxidation/ammoxidation of olefins

#49
20160023995
2016-01-28

Process for the production of nitriles using a catalyst based on antimony and iron

#50
20160008794
2016-01-14

CATALYST FOR ACRYLONITRILE PRODUCTION AND METHOD FOR PRODUCING ACRYLONITRILE

#51
20150361007
2015-12-17

Method for producing an olefin by catalytic conversion of at least one alcohol

#52
20150238939
2015-08-27

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

#53
20150231604
2015-08-20

Composite oxide catalyst, method for producing the same, and method for producing unsaturated nitrile

#54
20150065744
2015-03-05

Method for producing acrylonitrile

#55
20150057463
2015-02-26

Method for producing acrylonitrile

#56
20150031907
2015-01-29

Method for producing acrylonitrile

#57
20150005526
2015-01-01

Catalyst and process for preparing acrolein and/or acrylic acid by dehydration reaction of glycerin

#58
20140350298
2014-11-27

Process for the (AMM)oxidation of lower molecular weight alkanes and alkenes

#59
20140350282
2014-11-27

Pre calcination additives for mixed metal oxide ammoxidation catalysts

#60
20140296558
2014-10-02

PROCESS FOR PRODUCING GEOMETRIC SHAPED CATALYST BODIES

#61
20140243545
2014-08-28

Methods for providing bond activation catalysts and related catalysts, systems, and methods

#62
20140213811
2014-07-31

Process of dehydration reactions

#63
20140039213
2014-02-06

Process for producing geometric shaped catalyst bodies

#64
20130324758
2013-12-05

Process for manufacturing acrolein/acrylic acid

#65
20130253216
2013-09-26

Apparatus and method for producing catalyst, and method for producing unsaturated acid or unsaturated nitrile

#66
20130072710
2013-03-21

Mixed metal oxide catalysts

#67
20130053595
2013-02-28

CATALYST AND PROCESS FOR PREPARING ACROLEIN AND/OR ACRYLIC ACID BY DEHYDRATION REACTION OF GLYCERIN

#68
20130006009
2013-01-03

Process for continuously producing geometric shaped catalyst bodies K

#69
20120296108
2012-11-22

PROCESS FOR PRODUCING GEOMETRIC SHAPED CATALYST BODIES

#70
20120295957
2012-11-22

Prevention of tissue ischemia and related compositions

#71
20120295956
2012-11-22

Prevention of tissue ischemia and related methods

#72
20120130112
2012-05-24

Mixed metal oxide ammoxidation catalysts

#73
20110237821
2011-09-29

Attrition resistant mixed metal oxide ammoxidation catalysts

#74
20110237820
2011-09-29

Process for preparing improved mixed metal oxide ammoxidation catalysts

#75
20110237753
2011-09-29

Mixed metal oxide ammoxidation catalysts

#76
20110233460
2011-09-29

High efficiency ammoxidation process and mixed metal oxide catalysts

#77
20100204502
2010-08-12

Process for manufacturing acrolein from glycerol

#78
20100152475
2010-06-17

Process for continuously producing geometric shaped catalyst bodies K

#79
20100092467
2010-04-15

Prevention of tissue ischemia, related methods and compositions

#80
20100069660
2010-03-18

Process for producing geometric shaped catalyst bodies

#81
20100069659
2010-03-18

Process for producing geometric shaped catalyst bodies

#82
20100048850
2010-02-25

Method for the synthesis of acrylonitrile from glycerol

#83
20090270648
2009-10-29

Fluidized bed catalyst for producing acrylonitrile and process for producing acrylonitrile

#84
20090234149
2009-09-17

Catalyst for synthesizing acrylonitrile and process for producing acrylonitrile

#85
20090221843
2009-09-03

Catalyst for producing acrylonitrile and process for producing acrylonitrile

#86
20090198081
2009-08-06

PROCESS FOR THE AMMOXIDATION OF PROPANE AND ISOBUTANE

#87
20090171109
2009-07-02

Integrated process for preparing a carboxylic acid from an alkane

#88
20080031788
2008-02-07

Process for converting a hydrocarbon to an oxygenate or a nitrile

#89
20080004462
2008-01-03

Catalyst for the Preparation of Fumaronitrile and/or Maleonitrile

#90
20070260085
2007-11-08

In situ modification of molybdenum-based catalysts

#91
20070249737
2007-10-25

Cyclone reactor and associated methods

#92
20070161812
2007-07-12

Liquid-phase (AMM)oxidation process

#93
20070123730
2007-05-31

Catalyst composition without antimony or molybdenum for ammoxidation of alkanes, a process of making and a process of using thereof

#94
20070100155
2007-05-03

Single crystalline phase catalyst

#95
20060258529
2006-11-16

Process for preparing at least one target product by partial oxidation and/or ammoxidation of propylene

#96
20060199730
2006-09-07

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

#97
20060194693
2006-08-31

Catalyst for acrylonitrile synthesis

#98
20060167299
2006-07-27

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

#99
20060155139
2006-07-13

Particulate porous ammoxidation catalyst

#100
20060106244
2006-05-18

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

#101
20060088461
2006-04-27

Process for recovery and recycle of ammonia from a vapor stream

#102
20060069279
2006-03-30

Process for the ammoxidation of alkanes and olefins

#103
20060052634
2006-03-09

Single crystalline phase catalyst

#104
20060020142
2006-01-26

Catalytic (AMM)oxidation process for conversion of lower alkanes to carboxylic acids and nitriles

#105
20050245761
2005-11-03

Single crystalline phase catalyst

#106
20050209479
2005-09-22

Method for enhancing the productivity of vanadium antimony oxide catalysts

#107
20050209101
2005-09-22

Process and apparatus for fluid bed reactions

#108
20050203309
2005-09-15

Modified catalysts and process

#109
20050187406
2005-08-25

Catalyst for partial oxidation and preparation method thereof

#110
20050137415
2005-06-23

Process for the selective (amm)oxidation of lower molecular weight alkanes and alkenes

#111
20050107252
2005-05-19

Process for preparing mixed metal oxide catalyst

#112
15245835
2017-07-18

Compositions and methods related to the production of acrylonitrile