ClassID:

91767

C07C51/23 - CPC Classification

Classification description:

Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups

Sub-classes:
Recent Application in this class:
#1
20240042421
2024-02-08

SRCC AS A CATALYTIC CARRIER FOR METAL SPECIES

#2
20210324301
2021-10-21

Concept for the production of food with reduced environmental impact

#3
20210154647
2021-05-27

Catalyst for catalytic oxidation of furfural to prepare maleic acid and application thereof

#4
20200308092
2020-10-01

Preparation and separation of a di-carboxylic acid-containing mixture

#5
20190291093
2019-09-26

Method for catalytically producing formic acid and regenerating the catalyst used in the process with little overpressure

#6
20190100482
2019-04-04

Process for oxidation of alcohols using oxygen-containing gases

#7
20190039048
2019-02-07

ACTIVATED PHYLLOSILICATE CLAY OXIDATION CATALYST

#8
20180127347
2018-05-10

Process for oxidation of alcohols using oxygen-containing gases

#9
20180086688
2018-03-29

Preparation and separation of a di-carboxylic acid-containing mixture

#10
20170342029
2017-11-30

Catalytic oxidation of but-3-ene-1,2-diol

#11
20170327451
2017-11-16

Process for obtaining a formate from a reaction mixture

#12
20170129844
2017-05-11

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

#13
20160326084
2016-11-10

Process for preparing a carboxylic acid

#14
20160130209
2016-05-12

Method for synthesising glycolic acid

#15
20160090346
2016-03-31

Preparation and separation of a di-carboxylic acid-containing mixture

#16
20150210623
2015-07-30

Process for preparing a carboxylic acid from a diol or from an epoxide by oxidative cleavage

#17
20150025271
2015-01-22

Method for producing polyoxyalkylene alkyl ether carboxylic acid or salt thereof

#18
20140356918
2014-12-04

Process for synthesizing bifunctional hydrocarbon-based compounds from biomass

#19
20130281664
2013-10-24

Ruthenium complexes and their uses in processes for formation and/or hydrogenation of esters, amides and derivatives thereof

#20
20120129733
2012-05-24

Systems and methods for processing glycerol

#21
20110140032
2011-06-16

Systems and methods for processing glycerol

#22
20100130648
2010-05-27

Process for preparation of methyl methacrylate by esterification during oxidation

#23
20100120949
2010-05-13

Use of a feed compositions in preparation of methacrylic acid by oxidation

#24
20100010260
2010-01-14

Process for producing acrylic acid

#25
20090062564
2009-03-05

Method for producing methacrolein and/or methacrylic acid