ClassID:

93369

C07C309/43 - 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 singly-bound oxygen atoms bound to the carbon skeleton having at least one of the sulfo groups bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system

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

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

#2
20250116934
2025-04-10

ONIUM SALT MONOMER, POLYMER, CHEMICALLY AMPLIFIED RESIST COMPOSITION, AND PATTERN FORMING PROCESS

#3
20240318382
2024-09-26

Sulfonated Lignin-Derived Compounds And Uses Thereof

#4
20240280900
2024-08-22

ONIUM SALT, CHEMICALLY AMPLIFIED POSITIVE RESIST COMPOSITION, AND RESIST PATTERN FORMING PROCESS

#5
20230304221
2023-09-28

Sulfonated Lignin-Derived Compounds And Uses Thereof

#6
20230160143
2023-05-25

Sulfonated lignin-derived compounds and uses thereof

#7
20220249411
2022-08-11

CALIXARENE COMPOUNDS AND USES THEREOF

#8
20210276945
2021-09-09

Sulfonated lignin-derived compounds and uses thereof

#9
20200223959
2020-07-16

Water soluble pyranine polymers and method of making

#10
20190152902
2019-05-23

Sulfonated aromatic compounds

#11
20190115594
2019-04-18

Stable positive side material for all-organic flow battery

#12
20190085006
2019-03-21

Method for producing low molecular weight aromatic lignin-derived compounds

#13
20180290969
2018-10-11

Stabilizer and stabilization method

#14
20170365798
2017-12-21

Fluorinated aromatic small molecules as functional additives for dispersion of conductive polymers

#15
20160315266
2016-10-27

Composition for anode buffer layer of organic thin film solar cell and organic thin film solar cell

#16
20150168829
2015-06-18

Sulfonium salt, resist composition and resist pattern forming process

#17
20140357503
2014-12-04

Method and array for identifying histone-code-related analytes

#18
20140204457
2014-07-24

Quinolinium single crystals for use in nonlinear optics

#19
20130240795
2013-09-19

Arylsulfonic acid compound and use thereof as electron-acceptor material

#20
20130178649
2013-07-11

Sulfonic acid group-containing diamine compound and method for producing the same

#21
20120270155
2012-10-25

Compound, polymeric compound, acid generator, resist composition, and method of forming resist pattern

#22
20100320422
2010-12-23

Arylsulfonic acid compound and use thereof as electron-acceptor material

#23
20100166624
2010-07-01

Methods for selectively separating carbon nanotubes

#24
20100152081
2010-06-17

Fluorosurfactants

#25
20090233941
2009-09-17

Co-Crystals of Calixarenes and Biologically Active Molecules

#26
20080029742
2008-02-07

Arylsulfonic acid compound and use thereof as electron-acceptor material

#27
20050176982
2005-08-11

Method for producing onium salt derivatives, and novel onium salt derivatives

#28
20050123935
2005-06-09

Pyrenyloxysulfonic acid fluorescent agents

#29
14492278
2015-11-10

Catalytic method for quantitative hydrolytic depolymerization of lignocelluloses in one-pot