ClassID:

91764

C07C51/21 - CPC Classification

Classification description:

Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen

Sub-classes:
Recent Application in this class:
#1
20250229249
2025-07-17

NEW PHOTOCHEMICAL REACTOR DESIGN AND PROCESS FOR PERFORMING EXOTHERMIC PHOTOCHEMICAL REACTIONS

#2
20250066274
2025-02-27

INTEGRATED PROCESSES UTILIZING WATER ELECTROLYSIS AND OXIDATIVE DEHYDROGENATION OF ETHANE

#3
20240299913
2024-09-12

LIGNIN-DEGRADING CATALYST, METHOD FOR MANUFACTURING SAME, METHOD FOR DEGRADING LIGNIN, AND METHOD FOR REGENERATING LIGNIN-DEGRADING CATALYST

#4
20220251004
2022-08-11

Oxidative dehydrogenation coproduction

#5
20220119722
2022-04-21

Process for the production of oxidized wood products

#6
20210346869
2021-11-11

Molybdenum-vanadium-niobium-ceria-based catalyst for oxidative dehydrogenation of alkanes and/or alkene oxidation

#7
20200115311
2020-04-16

Process for purifying (meth)acrylic acid including a dividing-wall distillation column

#8
20190262800
2019-08-29

Method for producing oxide catalyst, and method for producing unsaturated nitrile and unsaturated acid

#9
20180237371
2018-08-23

Method of catalytic oxidation of lignite using oxygen as oxidant at atmospheric pressure

#10
20180072648
2018-03-15

Optimized liquid-phase oxidation

#11
20170306362
2017-10-26

BIOCATALYTIC METHODS TO CONVERT CYCLOHEXANE OXIDATION PROCESS WASTE STREAMS TO USEFUL PRODUCTS

#12
20170129844
2017-05-11

Method for producing isobutylene, method for producing methacrylic acid, and method for producing methyl methacrylate

#13
20170036982
2017-02-09

Process for production of acrylic acid

#14
20150361022
2015-12-17

Methods for the valorization of carbohydrates

#15
20150328611
2015-11-19

Multi-tubular reactor and multi-tubular reactor design and fabrication method

#16
20150166456
2015-06-18

Vinyl esters of isononanoic acid starting from 2-ethyl hexanol, methods for the production thereof and use thereof

#17
20150050707
2015-02-19

TREATMENT OF BIOMASS

#18
20140357880
2014-12-04

Method for cleaving unsaturated fatty chains

#19
20140309454
2014-10-16

Methods for the valorization of carbohydrates

#20
20130217081
2013-08-22

Biocatalytic methods to convert cyclohexane oxidation process waste streams to useful products

#21
20130203984
2013-08-08

Oxidation of hydrocarbons

#22
20130079566
2013-03-28

CATALYTIC PROCESS FOR CONVERSION OF BIOMASS INTO HYDROCARBON FUELS

#23
20130053599
2013-02-28

CATALYSTS FOR PRODUCING ACRYLIC ACIDS AND ACRYLATES

#24
20120289695
2012-11-15

Production of organic materials using oxidative hydrothermal dissolution method

#25
20110084231
2011-04-14

Method and process of producing short chain fatty acids from waste stream containing phenolic lignin model compounds by controlled photocatalytic oxidation with titanium dioxide nanocatalyst in the presence of ultraviolet radiation

#26
20100145095
2010-06-10

Optimized liquid-phase oxidation

#27
20060133972
2006-06-22

Shell-and-tube type reactor for carrying out catalytic gaseous phase reactions and a procedure for operating the same

#28
20060116530
2006-06-01

Optimized liquid-phase oxidation

#29
20060047151
2006-03-02

Optimized liquid-phase oxidation

#30
20050159618
2005-07-21

Preparation of (meth)acrolein and/or (meth)acrylic acid by heterogeneously catalyzed partial oxidation of Cand/or Cprecursor compounds