ClassID:

93304

C07C303/42 - CPC Classification

Classification description:

Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides Separation; Purification; Stabilisation; Use of additives

Sub-classes:
Recent Application in this class:
#1
20240228283
2024-07-11

BIS(FLUOROSULFONYL)IMIDE SALTS AND PREPARATION METHOD THEREOF

#2
20240132352
2024-04-25

BIS(FLUOROSULFONYL)IMIDE SALTS AND PREPARATION METHOD THEREOF

#3
20210017100
2021-01-21

Organic reactions carried out in aqueous solution in the presence of a hydroxyalkyl(alkyl)cellulose or an alkylcellulose

#4
20200369983
2020-11-26

INTERNAL OLEFIN SULFONATE COMPOSITION AND METHOD FOR PRESERVING INTERNAL OLEFIN SULFONATE

#5
20200347014
2020-11-05

Process for producing sulfonic acid

#6
20200181072
2020-06-11

Weakly coloured sulfonic acid

#7
20200148610
2020-05-14

Organic reactions carried out in aqueous solution in the presence of a hydroxyalkyl(alkyl)cellulose or an alkylcellulose

#8
20190144379
2019-05-16

Water-soluble diacetylene, photolithography composition comprising water-soluble diacetylene monomer and conductive polymer, and fine pattern preparation method using same

#9
20170342027
2017-11-30

Chiral resolution method of N-[4-(1-aminoethyl)-phenyl]-sulfonamide derivatives

#10
20170281546
2017-10-05

Taurine compositions suitable for inhalation

#11
20170217850
2017-08-03

ORGANIC REACTIONS CARRIED OUT IN AQUEOUS SOLUTION IN THE PRESENCE OF A HYDROXYALKYL(ALKYL)CELLULOSE OR AN ALKYLCELLULOSE

#12
20150183731
2015-07-02

Cyclic process for the production of taurine from monoethanolamine

#13
20150165400
2015-06-18

CRYSTALLISATION PROCESS

#14
20140083707
2014-03-27

Highly-concentrated flowable salts of alkyl polyalkoxy sulphates

#15
20080033208
2008-02-07

Process for Manufacturing Optically Pure (R) or (S)-5-(2-Aminopropyl)-2-Methoxybenzene Sulfonamide

#16
20050079589
2005-04-14

Process for preparing R- and S-isomers of (R)-5-(2-( (2-(2-ethoxyphenoxy) ethyl) amino) propyl) -2-methoxybenzenesulfonamide