Norio Ishii

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production of epsilon-caprolactam
- Patent number 4,717,769
- Issue date Jan 5, 1988
- Sumitomo Chemical Co., Ltd.
- Hiroshi Sato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing epsilon-caprolactam
- Patent number 4,717,770
- Issue date Jan 5, 1988
- Sumitomo Chemical Co., Ltd.
- Hiroshi Sato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of epsilon-caprolactam
- Patent number 4,709,024
- Issue date Nov 24, 1987
- Sumitomo Chemical Company
- Hiroshi Sato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for selective dealkylation of 1,4-dialkylbenzene
- Patent number 4,654,457
- Issue date Mar 31, 1987
- Sumitomo Chemical Company, Limited
- Hiroshi Sato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for selective dealkylation of a dialkylbenzene at the parapo...
- Patent number 4,642,409
- Issue date Feb 10, 1987
- Sumitomo Chemical Company, Limited
- Hiroshi Sato
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for selective dealkylation of 1,4-dialkylbenzene
- Patent number 4,499,321
- Issue date Feb 12, 1985
- Sumitomo Chemical Company, Limited
- Hiroshi Sato
- C07 - ORGANIC CHEMISTRY