Nobuyuki Abe

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Ikoma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 2,3,5-collidine and 2-ethyl-5-methyl...
- Patent number 6,111,113
- Issue date Aug 29, 2000
- Koei Chemical Co., Ltd.
- Naorou Itoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing pyridine bases
- Patent number 5,237,068
- Issue date Aug 17, 1993
- Koei Chemical Company, Limited
- Shinkichi Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Regeneration of catalysts by burning in the presence of alcohols
- Patent number 5,071,802
- Issue date Dec 10, 1991
- Sumitomo Chemical Co., Ltd.
- Shinkichi Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing pyridine bases
- Patent number 4,810,794
- Issue date Mar 7, 1989
- Koei Chemical Co., Ltd.
- Shinkichi Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing nitriles
- Patent number 4,778,890
- Issue date Oct 18, 1988
- Koei Chemical Co., Ltd.
- Shinkichi Shimizu
- C07 - ORGANIC CHEMISTRY