C07C309/20 - CPC Classification Index

ClassID:

93347 ⎘

C07C309/20 - CPC Classification

Classification description:

Sulfonic acids; Halides, esters, or anhydrides thereof; Sulfonic acids having sulfo groups bound to acyclic carbon atoms of an acyclic unsaturated carbon skeleton

Sub-classes:

C07C309/21 » containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton 9
C07C309/22 » containing carboxyl groups bound to the carbon skeleton 19

Recent Application in this class:

20230212112

2023-07-06

Photoacid-generating monomer, polymer derived therefrom, photoresist composition including the polymer, and method of forming a photoresist relief image using the photoresist composition

20200399209

2020-12-24

Processes for the manufacture of secondary fatty alcohols, internal olefins and internal olefin sulfonates

20200283385

2020-09-10

Salts and prodrugs of 1-methyl-d-tryptophan

20200198971

2020-06-25

Method for chemical modification of fluorinated carbons with sulfur-containing substance

20200048582

2020-02-13

Finishing agent composition for textile products

20190248739

2019-08-15

SALTS AND PRODRUGS OF 1-METHYL-D-TRYPTOPHAN

20180275516

2018-09-27

Sulfonium salt, resist composition, and patterning process

20180265474

2018-09-20

Polymorphic compounds and uses thereof

20180134658

2018-05-17

Salts and prodrugs of 1-methyl-D-tryptophan

#10

20180059543

2018-03-01

Sulfonium compound, resist composition, and patterning process

#11

20170340541

2017-11-30

Internal olefin sulfonate composition

#12

20170248844

2017-08-31

Photoacid-generating monomer, polymer derived therefrom, photoresist composition including the polymer, and method of forming a photoresist relief image using the photoresist composition

#13

20170115566

2017-04-27

Resist composition, patterning process, and barium, cesium and cerium salts

#14

20170033405

2017-02-02

Use of reactive ionic liquids as additives for electrolytes in secondary lithium ion batteries

#15

20170022157

2017-01-26

Salts and prodrugs of 1-methyl-D-tryptophan

#16

20160251362

2016-09-01

Pyrimidinone compounds as human neutrophil elastase inhibitors

#17

20160145205

2016-05-26

Salt, resin, resist composition and method for producing resist pattern

#18

20160017207

2016-01-21

Internal olefin sulfonate composition

#19

20160000678

2016-01-07

Internal olefin sulfonate composition

#20

20150366774

2015-12-24

Internal olefin sulfonate composition

#21

20150359719

2015-12-17

Internal olefin sulfonate composition

#22

20150080601

2015-03-19

Isomerized alpha olefin sulfonate and method of making the same

#23

20150065746

2015-03-05

Fluorosurfactants having improved biodegradability

#24

20140336409

2014-11-13

Process for preparing an internal olefin sulfonate

#25

20140296565

2014-10-02

Manufacturing method for sulfonic acid group-containing ether compound

#26

20140296561

2014-10-02

Sulfonium salt-containing polymer, resist composition, patterning process, and sulfonium salt monomer and making method

#27

20140171414

2014-06-19

Pyrimidinone compounds as human neutrophil elastase inhibitors

#28

20140051026

2014-02-20

Patterning process and resist composition

#29

20130253219

2013-09-26

Production of alkane sulfonates

#30

20130131201

2013-05-23

Superacid functional compounds

#31

20130079261

2013-03-28

Sulfonated internal olefin surfactant for enhanced oil recovery

#32

20120157680

2012-06-21

Ionic liquid containing allylsulfonate anion

#33

20120129108

2012-05-24

Base reactive photoacid generators and photoresists comprising same

#34

20120129103

2012-05-24

Sulfonium salt-containing polymer, resist composition, patterning process, and sulfonium salt monomer and making method

#35

20110177453

2011-07-21

Fluorine-containing sulfonates having polymerizable anions and manufacturing method therefor, fluorine-containing resins, resist compositions, and pattern-forming method using same

#36

20110172459

2011-07-14

Manufacturing method for sulfonic acid group-containing ether compound

#37

20110152571

2011-06-23

Isomerized alpha olefin sulfonate and method of making the same

#38

20110017954

2011-01-27

Vinyl sulfonic acid, polymer thereof, and production method thereof

#39

20100324329

2010-12-23

Sulfonium compound

#40

20100282467

2010-11-11

Sulfonated internal olefin surfactant for enhanced oil recovery

#41

20100081840

2010-04-01

Process for producing vinyl sulfonic acid

#42

20100061936

2010-03-11

Unnatural amino acids capable of covalently modifying protein phosphatases and their use as general and specific inhibitors and probes

#43

20090078910

2009-03-26

Functionalized long-chain olefin mixtures and uses therefor

#44

20090069521

2009-03-12

Compound, polymer, and radiation-sensitive composition

#45

20080306295

2008-12-11

Method and device for the sulfonation or sulfation of sulfonatable or sulfatable organic substances and for performing faster, strongly exothermic gas/liquid reactions

#46