Konishi Chemical Ind. Co., Ltd.

Organization

Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing diphenylsulfone compound
- Patent number 11,634,386
- Issue date Apr 25, 2023
- Konishi Chemical Ind. Co. Ltd.
- Norihito Iida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing sulfonated aromatic polymer
- Patent number 9,228,060
- Issue date Jan 5, 2016
- Konishi Chemical Ind. Co., Ltd.
- Tomonori Mitsuru
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Organic-solvent dispersion of fine polysilsesquioxane particle, pro...
- Patent number 8,088,863
- Issue date Jan 3, 2012
- Konishi Chemical Ind. Co., Ltd.
- Chenghuan Ma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing high-purity 4,4′-dihydroxydiphenyl sulfone
- Patent number 7,456,321
- Issue date Nov 25, 2008
- Konishi Chemical Ind. Co., Ltd.
- Eiji Ogata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing dihydroxydiphenylsulfone
- Patent number 6,974,886
- Issue date Dec 13, 2005
- Konishi Chemical Ind. Co., Ltd.
- Fumio Oi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing mixture of dihydroxydiphenylsulfone isomers
- Patent number 6,965,054
- Issue date Nov 15, 2005
- Konishi Chemical Ind. Co., Ltd.
- Fumio Oi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing mixture of dihydroxydiphenylsulfone isomers
- Patent number 6,861,562
- Issue date Mar 1, 2005
- Konishi Chemical Ind. Co., Ltd.
- Fumio Oi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfonating agent and sulfonation process
- Patent number 5,596,128
- Issue date Jan 21, 1997
- Konishi Chemical Ind. Co., Ltd.
- Eiji Ogata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of 4,4'-dihydroxydiphenylsulfone
- Patent number 5,241,121
- Issue date Aug 31, 1993
- Konishi Chemical Ind. Co., Ltd.
- Eiji Ogata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of 4,4'-dihydroxydiphenylsulfone
- Patent number 5,189,223
- Issue date Feb 23, 1993
- Konishi Chemical Ind. Co., Ltd.
- Eiji Ogata
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING DIPHENYLSULFONE COMPOUND
- Publication number 20220306572
- Publication date Sep 29, 2022
- KONISHI CHEMICAL IND. CO., LTD.
- Norihito IIDA
- C07 - ORGANIC CHEMISTRY

Konishi Chemical Ind. Co., Ltd.

Organization

Patents Grantslast 30 patents

Method for producing diphenylsulfone compound

Method for manufacturing sulfonated aromatic polymer

Organic-solvent dispersion of fine polysilsesquioxane particle, pro...

Process for producing high-purity 4,4′-dihydroxydiphenyl sulfone

Process for producing dihydroxydiphenylsulfone

Process for producing mixture of dihydroxydiphenylsulfone isomers

Process for producing mixture of dihydroxydiphenylsulfone isomers

Sulfonating agent and sulfonation process

Process for preparation of 4,4'-dihydroxydiphenylsulfone

Process for preparation of 4,4'-dihydroxydiphenylsulfone

Patents Applicationslast 30 patents

METHOD FOR PRODUCING DIPHENYLSULFONE COMPOUND

Trademarklast 30 trademarks