Sachio Hayashi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vulcanizable partially hydrogenated nitrile rubber composition cont...
- Patent number 5,569,719
- Issue date Oct 29, 1996
- Nippon Zeon Co., Ltd.
- Sachio Hayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Nitrile group-containing highly saturated copolymer rubber and rubb...
- Patent number 5,013,796
- Issue date May 7, 1991
- Nippon Zeon Co., Ltd.
- Sachio Hayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Nitrile group-containing highly saturated copolymer rubber and rubb...
- Patent number 5,013,797
- Issue date May 7, 1991
- Nippon Zeon Co., Ltd.
- Sachio Hayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Nitrile group-containing highly saturated copolymer rubber and rubb...
- Patent number 4,956,417
- Issue date Sep 11, 1990
- Nippon Zeon Co., Ltd.
- Sachio Hayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...