C07C67/28 - CPC Classification Index

ClassID:

92085 ⎘

C07C67/28 - CPC Classification

Classification description:

Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group

Sub-classes:

C07C67/283 » by hydrogenation of unsaturated carbon-to-carbon bonds 32
C07C67/287 » by introduction of halogen; by substitution of halogen atoms by other halogen atoms 48
C07C67/29 » by introduction of oxygen-containing functional groups 89
C07C67/293 » by isomerisation; by change of size of the carbon skeleton 139
C07C67/297 » by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups 54

Recent Application in this class:

20260070868

2026-03-12

PROCESSES FOR RECOVERING DIALKYL TEREPHTHALATES FROM POLYESTER COMPOSITIONS

20250282704

2025-09-11

METHOD FOR PRODUCING FLUOROALKOXIDE

20250250216

2025-08-07

CYCLIC COMPOUND HAVING IODINE ATOM

20220356139

2022-11-10

SYNTHESIS OF DEUTERATED ALDEHYDES

20210317061

2021-10-14

METHOD FOR PRODUCING FLUOROALKOXIDE

20210221762

2021-07-22

Systems and processes for producing organic acids directly from beta-lactones

20200208180

2020-07-02

PROCESSING BIOMASS TO OBTAIN HYDROXYLCARBOXYLIC ACIDS

20190083443

2019-03-21

Ingenol compounds and use thereof in anti-HIV latency treatment

20190062258

2019-02-28

Biomass-derived polymers and copolymers incorporating monolignols and their derivatives

#10

20180340196

2018-11-29

Preparation method for (R)-3-hydroxyl-5-hexenoate

#11

20180118646

2018-05-03

Method for producing aromatic compound

#12

20170291862

2017-10-12

Method for producing olefin

#13

20170088502

2017-03-30

Method for producing carboxylic acid anhydride and method for producing carboxylic acid ester

#14

20170081270

2017-03-23

Method for preparing a salt of acetylsalicylic acid and a basic amino acid

#15

20160347896

2016-12-01

(Meth)acrylate compound, (meth)acrylic copolymer and photosensitive resin composition containing same

#16

20160318841

2016-11-03

Production process and purification process of 4-hydroxy-benzoic acid long chain ester

#17

20160152663

2016-06-02

Use of ruthenium complexes for preparing amides, polypeptides and cyclic dipeptides

#18

20160107151

2016-04-21

Ligand, metal complex containing ligand, and reaction using metal complex containing ligand

#19

20160076062

2016-03-17

Processing biomass to obtain hydroxylcarboxylic acids

#20

20140135523

2014-05-15

Continuous process for preparing (meth)acrylates of C-alcohol mixtures

#21

20140073810

2014-03-13

Photoreactive monomers

#22

20130231499

2013-09-05

Syntheses of -olefin-containing lepidopteran insect pheromones

#23

20130158283

2013-06-20

Process for the preparation of oxidized phospholipids

#24

20130101534

2013-04-25

Compositions containing carboxylic acid-substituted derivatives

#25

20130090492

2013-04-11

Transesterification process using mixed salt acetylacetonates catalysts

#26

20120253042

2012-10-04

Use of ruthenium complexes for formation and/or hydrogenation of amides and related carboxylic acid derivatives

#27

20120245379

2012-09-27

Process for the preparation of enantiomerically pure -leucine

#28

20120130108

2012-05-24

PROCESS FOR THE PREPARATION OF OXIDIZED PHOSPHOLIPIDS

#29

20120130098

2012-05-24

Skin treatments containing carboxylic acid-substituted idebenone derivatives and methods of preparation and use thereof

#30

20110040026

2011-02-17

Monomers, Polymers, Dispersions and Inks

#31

20100317881

2010-12-16

Process for the preparation of oxidized phospholipids

#32

20100267828

2010-10-21

DHA DERIVATIVES AND THEIR USE AS MEDICAMENTS

#33

20100179339

2010-07-15

Metal alkoxides, apparatus for manufacturing metal alkoxides, related methods and uses thereof

#34

20100178220

2010-07-15

Metal alkoxides, apparatus for manufacturing metal alkoxides, related methods and uses thereof

#35

20100178218

2010-07-15

Metal alkoxides, apparatus for manufacturing metal alkoxides, related methods and uses thereof

#36

20100086494

2010-04-08

Skin treatments with carboxylic acid-substituted idebenone derivatives

#37

20090275752

2009-11-05

Process for statins and its pharmaceutically acceptable salts thereof

#38

20090134369

2009-05-28

METAL ALKOXIDES, APPARATUS FOR MANUFACTURING METAL ALKOXIDES, RELATED METHODS AND USES THEREOF

#39

20070129437

2007-06-07

Process for preparing simvastatin and intermediates thereof

#40

20070112211

2007-05-17

Process for the preparation of oxidized phospholipids

#41

20070032667

2007-02-08

Route to α- tocopheryl alkanoates and percursors thereof

#42

20050004215

2005-01-06

Amorphous simvastatin calcium and methods for the preparation thereof