Nobuyuki Nate

Follow

Person

Kainan, JP

People

Patents Grantslast 30 patents

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 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
Information Patent Grant
Process for preparing 4,4'-dihydroxydiphenyl sulfone having high pu...
- Patent number 4,820,831
- Issue date Apr 11, 1989
- Konishi Chemical Industry Co., Ltd.
- Eiji Ogata
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for producing high-purity 4,4'-dihydroxydiphenyl sulfone
- Publication number 20050272956
- Publication date Dec 8, 2005
- Eiji Ogata
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Color developer and thermal recording material containing the same
- Publication number 20050272603
- Publication date Dec 8, 2005
- Fumio Oi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Process for producing dihydroxydiphenyl sulfone
- Publication number 20050171384
- Publication date Aug 4, 2005
- Fumio Oi
- C07 - ORGANIC CHEMISTRY