ClassID:

91754

C07C51/087 - CPC Classification

Classification description:

Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid anhydrides by hydrolysis

Recent Application in this class:
#1
20250042867
2025-02-06

MALEIC ANHYDRIDE HYDROGENATION PROCESS AND SUCCINIC ACID PRODUCTION PROCESS COMPRISING THE SAME

#2
20250002808
2025-01-02

FREE-POLYUNSATURATED-FATTY-ACID-CONTAINING COMPOSITION AND METHOD FOR MANUFACTURING SAME

#3
20240254407
2024-08-01

Free Polyunsaturated Fatty Acid-Containing Compositions and Manufacturing Method Therefor

#4
20220363624
2022-11-17

ACIDIC ELIMINATION FOR BIO-BASED AROMATICS

#5
20220348841
2022-11-03

Free polyunsaturated fatty acid-containing composition and manufacturing method therefor

#6
20220234980
2022-07-28

Production of malic acid using tubular and stirred tank reactors

#7
20220049185
2022-02-17

Free-polyunsaturated-fatty-acid-containing composition and method for manufacturing same

#8
20220048845
2022-02-17

Production of malic acid

#9
20210115005
2021-04-22

Diels-Alder ring-opening process

#10
20200247743
2020-08-06

Processes for purifying acetic acid and hydrating anhydride

#11
20190055184
2019-02-21

Processes for purifying acetic acid and hydrating anhydride

#12
20180141890
2018-05-24

Processes for purifying acetic acid and hydrating anhydride

#13
20170260155
2017-09-14

Method for preparing isobenzofuran-1(3H)-one compound

#14
20170260120
2017-09-14

Method for producing acetic acid

#15
20170137364
2017-05-18

Processes for purifying acetic and hydrating anhydride

#16
20140187812
2014-07-03

Systems and methods for processing variable acetyl streams

#17
20120323039
2012-12-20

Carboxylic acid production process employing solvent from esterification of lignocellulosic material

#18
20120123160
2012-05-17

Processes for purification of acid solutions

#19
20090275777
2009-11-05

Carboxylic acid production process employing solvent from esterification of lignocellulosic material

#20
20090182170
2009-07-16

Process for producing α,β-unsaturated carboxylic acid

#21
20060135791
2006-06-22

Method of purifying dianhydrides