C07C303/00 - CPC Classification Index

ClassID:

93283 ⎘

C07C303/00 - CPC Classification

Classification description:

Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides

Sub-classes:

C07C303/02 » of sulfonic acids or halides thereof 87
C07C303/24 » of esters of sulfuric acids 77
C07C303/26 » of esters of sulfonic acids 28
C07C303/32 » of salts of sulfonic acids 274
C07C303/34 » of amides of sulfuric acids 24
C07C303/36 » of amides of sulfonic acids 39
C07C303/42 » Separation; Purification; Stabilisation; Use of additives 16

Recent Application in this class:

20240366538

2024-11-07

Hepatitis B Antiviral Agents

20230241012

2023-08-03

Hepatitis B antiviral agents

20210283077

2021-09-16

Hepatitis B antiviral agents

20190292054

2019-09-26

Method for producing bis(fluorosulfonyl)imide alkali metal salt and method for producing non aqueous electrolytic solution

20190225626

2019-07-25

Isosulfan blue, its crystalline form and process for preparation thereof

20190084925

2019-03-21

METHOD FOR PREPARING OXYSULPHIDE AND FLUORINATED DERIVATIVES IN THE PRESENCE OF AN ORGANIC SOLVENT

20190060258

2019-02-28

Hepatitis B antiviral agents

20160122294

2016-05-05

METHODS FOR CO-PRODUCTION OF ALKYLBENZENE AND AN OLEOCHEMICAL FROM NATURAL OILS

20140323762

2014-10-30

Method for producing trifluoromethanesulfonic anhydride

#10

20110251284

2011-10-13

Halo active aromatic sulfonamide organic compounds and uses therefor

#11

20100094038

2010-04-15

SYNTHESIS

#12

20100076221

2010-03-25

Preparation of sulfonic acid anhydrides

#13

20090137840

2009-05-28

Fluorinated Alkanesulfonic Acid Anhydrides and Processes for Making the Same

#14

20090118543

2009-05-07

Method for producing trifluoromethanesulfonic anhydride

#15

20060229468

2006-10-12

Process for preparing optionally substituted arylsulphonic anhydrides