ClassID:

91770

C07C51/25 - CPC Classification

Classification description:

Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring

Sub-classes:
Recent Application in this class:
#1
20250382254
2025-12-18

DIRECT CONVERSION OF GLYCEROL TO ACRYLIC ACID OVER WOx/ZrOx AND MIXED METAL OXIDE

#2
20250206693
2025-06-26

TRANSPORT-MEDIATED PHOTOCATALYSTS FOR SELECTIVE PARTIAL OXIDATION OF ALKANES

#3
20250186978
2025-06-12

METHOD FOR PREPARING CATALYST FOR PREPARING (METH)ACRYLIC ACID, CATALYST FOR PREPARING (METH)ACRYLIC ACID, AND METHOD FOR PREPARING (METH)ACRYLIC ACID

#4
20240375090
2024-11-14

CATALYST, PRODUCTION METHOD FOR CATALYST, AND PRODUCTION METHOD FOR alpha,beta-UNSATURATED ALDEHYDE AND/OR alpha,beta-UNSATURATED CARBOXYLIC ACID USING SAME

#5
20240307856
2024-09-19

CATALYST AND METHOD FOR PRODUCING COMPOUND BY GAS PHASE OXIDATION REACTION USING SAME

#6
20230192587
2023-06-22

CO-PRODUCTION OF MONOMERS, INCLUDING AT LEAST ONE BIO-BASED MONOMER

#7
20230027797
2023-01-26

METHOD FOR PRODUCING ISOBUTYLENE, METHOD FOR PRODUCING METHACRYLIC ACID, AND METHOD FOR PRODUCING METHYL METHACRYLATE

#8
20230020130
2023-01-19

CATALYST, METHOD FOR PRODUCING COMPOUND USING SAME, AND COMPOUND

#9
20230015502
2023-01-19

CATALYST, METHOD FOR FILLING CATALYST, AND METHOD FOR PRODUCING COMPOUND USING CATALYST

#10
20220315517
2022-10-06

METHOD FOR OXIDATIVE CLEAVAGE OF OLEFINS USING A HALOOXODIPEROXOMETALLATE AS A CATALYST

#11
20210324301
2021-10-21

Concept for the production of food with reduced environmental impact

#12
20210220804
2021-07-22

Mixed oxides for the oxidative cleavage of lipids using oxygen to afford mono- and di-carboxylic acids

#13
20210053039
2021-02-25

CATALYST FOR PRODUCING UNSATURATED CARBOXYLIC ACID

#14
20190161427
2019-05-30

Process of alkane oxidative dehydrogenation and/or alkene oxidation

#15
20190060884
2019-02-28

Method for preparing catalyst

#16
20190055176
2019-02-21

Ethane oxidative dehydrogenation and acetic acid recovery

#17
20190054454
2019-02-21

MECHANICALLY STRONG CATALYST AND CATALYST CARRIER, ITS PREPARATION, AND ITS USE

#18
20180258023
2018-09-13

Direct catalytic partial oxidation of allyl ether

#19
20180237372
2018-08-23

Method for producing acrylic acid

#20
20180002267
2018-01-04

Method for synthesizing an alkenoic acid

#21
20170369798
2017-12-28

CATALYTIC OXIDATION OF HYDROCARBONS

#22
20160326084
2016-11-10

Process for preparing a carboxylic acid

#23
20160304432
2016-10-20

Alkane oxidative dehydrogenation and/or alkene oxidation

#24
20160304414
2016-10-20

Alkane oxidative dehydrogenation and/or alkene oxidation

#25
20160137579
2016-05-19

Process for the preparation of benzene derivatives from furan derivatives

#26
20160122272
2016-05-05

Method for producing acrylic acid from glycerol

#27
20160096170
2016-04-07

Heterogeneous catalyst for production of 3-hydroxypropionic acid from allyl alcohol, and method for preparation of 3-hydroxypropionic acid from allyl alcohol using the same

#28
20150361021
2015-12-17

Heterogeneous catalyst for preparing acrylic acid from allyl alcohol, and method of preparing acrylic acid from allyl alcohol using the same

#29
20150025271
2015-01-22

Method for producing polyoxyalkylene alkyl ether carboxylic acid or salt thereof

#30
20140288328
2014-09-25

SEPARATION TECHNIQUE, PHOTO-OXIDATION OF ORGANIC SUBSTRATES, AND PHOTO CATALYSTS

#31
20140039218
2014-02-06

Method and catalyst composite for production of vinyl acetate monomer

#32
20130245311
2013-09-19

Catalyst for producing acrylic acids and acrylates

#33
20110144356
2011-06-16

Flow reactors for chemical conversions with heterogeneous catalysts

#34
20110118426
2011-05-19

Method for producing acrylic acid, and method for producing hydrophilic resin and method for producing water-absorbing resin using production method thereof

#35
20110065953
2011-03-17

Process for the long-term operation of a heterogeneously catalyzed partial gas phase oxidation of an organic starting compound

#36
20110054214
2011-03-03

Process for production of supported catalyst for acetic acid production

#37
20110009667
2011-01-13

Use of chemical reaction to separate ethylene from ethane in ethane-based processes to produce acetic acid

#38
20110009666
2011-01-13

Oxidation catalyst and its preparation

#39
20100094047
2010-04-15

Catalyst composition and process for the selective oxidation of ethane and/or ethylene to acetic acid

#40
20090292139
2009-11-26

Catalyst composition and use thereof in ethane oxidation

#41
20090281263
2009-11-12

DEVICE AND METHOD FOR PRODUCING ACRYLIC ACID WITH A REDUCED AUTOXIDATION TENDENCY

#42
20090076298
2009-03-19

Utilization of acetic acid reaction heat in other process plants

#43
20090043114
2009-02-12

Flow reactors for chemical conversions with heterogeneous catalysts

#44
20070197847
2007-08-23

Ni catalysts and methods for alkane dehydrogenation

#45
20070197378
2007-08-23

Ni catalysts and methods for alkane dehydrogenation

#46
20070191665
2007-08-16

Ni catalysts and methods for alkane dehydrogenation

#47
20070191224
2007-08-16

Palladium, tungsten and zirconium-based catalyst for production of oxygen-containing compound, production process of the catalyst, and production process of oxygen-containing compound using the catalyst

#48
20070185349
2007-08-09

Mixed metal oxide catalyst and process for production of acetic acid

#49
20070173663
2007-07-26

Production and use of supported catalysts

#50
20070167648
2007-07-19

Process for the long-term operation of a heterogeneously catalyzed partial gas phase oxidation of an organic starting compound

#51
20070117999
2007-05-24

Method for the safe operation of a gas-phase partial oxidation

#52
20070088175
2007-04-19

Oxidation process in fluidised bed reactor

#53
20060281942
2006-12-14

Oxidation process for the production of carboxylic acids and alkenes

#54
20060258529
2006-11-16

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

#55
20060234859
2006-10-19

Process for producing catalyst for production of acetic acid, catalyst for production of acetic acid obtained by the production process and process for producing acetic acid using the catalyst

#56
20060217264
2006-09-28

Catalyst composition and use thereof in ethane oxidation

#57
20060205978
2006-09-14

Production process for catalyst

#58
20060128988
2006-06-15

Catalyst composition and process for the selective oxidation of ethane and/or ethylene to acetic acid

#59
20060052635
2006-03-09

Oxidation catalyst and its preparation

#60
20060030729
2006-02-09

Oxidation process in fluidized bed reactor

#61
20060020142
2006-01-26

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

#62
20050209483
2005-09-22

Utilization of acetic acid reaction heat in other process plants

#63
20050187420
2005-08-25

Ni catalysts and methods for alkane dehydrogenation

#64
20050090702
2005-04-28

Ni catalysts and methods for alkane dehydrogenation

#65
20050085678
2005-04-21

Method for the oxidative dehydrogenation of ethane

#66
20050038290
2005-02-17

Process for producing (meth)acrolein or (meth)acrylic acid