ClassID:

92110

C07C67/46 - CPC Classification

Classification description:

Preparation of carboxylic acid esters from ketenes or polyketenes

Recent Application in this class:
#1
20250320175
2025-10-16

Acetoacetate Based Ketals

#2
20250002446
2025-01-02

Acetoacetate Based Ketals

#3
20220185762
2022-06-16

Method for preparation of acetoacetylated polyols

#4
20200308094
2020-10-01

Preparation of acetate compounds via a ketene compound

#5
20190169108
2019-06-06

1-HYDROXYMETHYL-1,2,2,6-TETRAMETHYL-CYCLOHEXANE AND DERIVATIVES THEREOF AND THEIR USE AS AROMA CHEMICALS

#6
20180098956
2018-04-12

THERAPEUTIC COMPOSITIONS

#7
20160031776
2016-02-04

Preparation of pentanol with ethanol derived from fermentation

#8
20150361026
2015-12-17

Methods for producing fluorine-containing hydroxyaldehyde, fluorine-containing propanediol, and fluorine-containing alcohol monomer

#9
20150246862
2015-09-03

Preparation of pentanol with ethanol derived from fermentation

#10
20150038734
2015-02-05

Method for producing an alkyl 3-hydroxybutyrate

#11
20150025266
2015-01-22

Synthesis of high caloric fuels and chemicals

#12
20140329893
2014-11-06

THERAPEUTIC COMPOSITIONS

#13
20140256992
2014-09-11

Synthesis of high caloric fuels and chemicals

#14
20140245658
2014-09-04

SYNTHESIS OF ETHANOL AND HIGHER ALCOHOLS BY HYDROGENATION OF KETENE

#15
20130116466
2013-05-09

Process for preparation of 2-methyl-2′-phenylpropionic acid derivatives and novel intermediate compounds

#16
20130079406
2013-03-28

THERAPEUTIC COMPOSITIONS

#17
20120071548
2012-03-22

Therapeutic compositions

#18
20120064611
2012-03-15

Process for the preparation of (3R)-hydroxybutyl (3R)-hydroxybutyrate by enzymatic enantioselective reduction employing alcohol dehydrogenase

#19
20110297883
2011-12-08

Compositions of esters of fluorosubstituted alcanoic acids

#20
20110178199
2011-07-21

Method for producing organic compound and organic compound obtained by the method

#21
20110009636
2011-01-13

Process for preparation of 2-methyl-2′ phenylpropionic acid derivatives and novel intermediate compounds

#22
20100217031
2010-08-26

PROCESS FOR THE PREPARATION OF ALKYL 3,3-DIALKOXYPROPIONATES

#23
20100168466
2010-07-01

Integrated process for the production of vinyl acetate from acetic acid via acetaldehyde

#24
20090253781
2009-10-08

Therapeutic compositions

#25
20060142588
2006-06-29

Acetoacetylation of alcohols, thiols and amines in a microreactor