ClassID:

93370

C07C309/44 - 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 doubly-bound oxygen atoms bound to the carbon skeleton

Recent Application in this class:
#1
20260063994
2026-03-05

RADIATION-SENSITIVE COMPOSITION, METHOD FOR FORMING PATTERN AND ONIUM SALT COMPOUND

#2
20250143173
2025-05-01

PEROVSKITE LAYER, FABRICATION METHOD AND USE THE SAME

#3
20240254317
2024-08-01

DOPANT SOLUTION FOR CONDUCTIVE POLYMER, MONOMER LIQUID FOR PRODUCING CONDUCTIVE POLYMER, CONDUCTIVE COMPOSITION AND METHOD FOR PRODUCING SAME, AND ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING SAME

#4
20240117132
2024-04-11

Polyphenylenes, methods, and uses thereof

#5
20230278957
2023-09-07

TREX1 INHIBITORS AND USES THEREOF

#6
20230159716
2023-05-25

Polyphenylenes, methods, and uses thereof

#7
20210305610
2021-09-30

Electrolyte including mixture of active material and precursor thereof

#8
20210024453
2021-01-28

Aminated lignin-derived compounds and uses thereof

#9
20210020943
2021-01-21

Redox flow battery electrolytes

#10
20200411251
2020-12-31

Electrolytic capacitor and manufacturing method of electrolytic capacitor

#11
20200362129
2020-11-19

Polyphenylenes, methods, and uses thereof

#12
20200283380
2020-09-10

Process For The Production Of Lignin Derived Low Molecular Products

#13
20190115594
2019-04-18

Stable positive side material for all-organic flow battery

#14
20190010119
2019-01-10

Resist composition and resist patterning process

#15
20190010111
2019-01-10

Preparation of phenyl compounds

#16
20180039175
2018-02-08

Negative resist composition and resist pattern forming process

#17
20170346121
2017-11-30

Compound and polymer electrolyte membrane using same

#18
20170247398
2017-08-31

O-phenyl chalcone compounds and uses thereof

#19
20160333033
2016-11-17

O-phenyl chalcone compounds and preparation method and use thereof

#20
20150380759
2015-12-31

Aromatic sulfonic acid derivative, sulfonic acid group-containing polymer, block copolymer, polymer electrolyte material, polymer electrolyte form article, and polymer electrolyte fuel cell

#21
20150094446
2015-04-02

Sulfonic acid group-containing polymer, sulfonic acid group-containing aromatic compound and method of making the same, as well as polymer electrolyte material, polymer electrolyte molded product and solid polymer fuel cell using the same

#22
20150080397
2015-03-19

Pharmaceutically acceptable salts of 3,5-diaminopyrazole kinase inhibitors

#23
20150021194
2015-01-22

Iridium complexes for electrocatalysis

#24
20150005389
2015-01-01

Small molecule xanthine oxidase inhibitors and methods of use

#25
20150004699
2015-01-01

Small molecule xanthine oxidase inhibitors and methods of use

#26
20140378552
2014-12-25

Small molecule xanthine oxidase inhibitors and methods of use

#27
20140378478
2014-12-25

Small molecule xanthine oxidase inhibitors and methods of use

#28
20140357503
2014-12-04

Method and array for identifying histone-code-related analytes

#29
20140336258
2014-11-13

Anti-virulence compositions and methods

#30
20140336204
2014-11-13

Methods of inhibiting xanthine oxidase activity in a cell

#31
20140329909
2014-11-06

Small molecule xanthine oxidase inhibitors and methods of use

#32
20140163045
2014-06-12

Small molecule xanthine oxidase inhibitors and methods of use

#33
20140155625
2014-06-05

Modified Naturally-Derived Colorants For Phase Change Ink Applications

#34
20130338376
2013-12-19

Sulfonated aromatic compounds

#35
20130231405
2013-09-05

Aromatic perfluoroalkane monomer

#36
20110218226
2011-09-08

Anti-virulence compositions and methods

#37
20110171577
2011-07-14

Actinic ray-sensitive or radiation-sensitive resin composition and method of forming pattern with the composition

#38
20110152537
2011-06-23

Ionic liquids

#39
20080076188
2008-03-27

Luminescent compounds

#40
20050054876
2005-03-10

Sulphonation of phenols