ClassID:

93375

C07C309/49 - CPC Classification

Classification description:

Sulfonic acids; Halides, esters, or anhydrides thereof; Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton the carbon skeleton being further substituted by singly-bound oxygen atoms

Sub-classes:
Recent Application in this class:
#1
20250091987
2025-03-20

Wash-Active Compounds

#2
20240228480
2024-07-11

PROCESSES FOR PREPARING PYRROLOPYRIDINE-ANILINE COMPOUNDS

#3
20200208045
2020-07-02

N,N,N′,N′-tetradodecyl-substituted diphenyl ether sulfonate anionic Gemini surfactant and synthesis method thereof

#4
20180104361
2018-04-19

DYE MOLECULE AND DYE PREPARATIONS, IN PARTICULAR FOR USE IN SURGICAL METHODS OF OPHTHALMIC SURGERY AND FOR DYEING PROTEINS

#5
20130078186
2013-03-28

Azo compounds reducing formation and toxicity of amyloid beta aggregation intermediates

#6
20120203031
2012-08-09

Sustainable chemical process for reduction of nitro compounds (R-NO2) or nitroso compounds (R-NO) containing sulphonic or carboxylic group into corresponding amino compounds (R-NH2) with inherent recycle of all acidic streams generated in synthesis

#7
20090234154
2009-09-17

Process for the preparation of tamsulosin and intermediates thereof

#8
20080227859
2008-09-18

Tetrafluorobenzyl derivatives and pharmaceutical composition for preventing and treating acute and chronic neurodegenerative diseases in central nervous system containing the same

#9
20080196179
2008-08-21

Unsubstituted and polymeric triphenymethane colorants for coloring consumer products

#10
20080196177
2008-08-21

Unsubstituted and polymeric fluoran colorants for coloring consumer products

#11
20080196176
2008-08-21

Unsubstituted and polymeric lactone colorants for coloring consumer products

#12
20070078183
2007-04-05

Tetrafluorobenzyl derivatives and pharmaceutical composition for preventing and treating acute and chronic neurodegenerative diseases in central nervous system containing the same

#13
20060235239
2006-10-19

Tetrafluorobenzyl derivatives and pharmaceutical composition for preventing and treating acute and chronic neurodegenerative diseases in central nervous system containing the same

#14
20050239896
2005-10-27

Tetrafluorobenzyl derivatives and pharmaceutical composition for preventing and treating acute and chronic neurodegenerative diseases in central nervous system containing the same