Katsushige Okayama

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Yamaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of chlorinated polyolefin and chlorosul...
- Patent number 5,449,833
- Issue date Sep 12, 1995
- Tosoh Corporation
- Nobuyuki Ito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of chlorinated polyolefin and chlorosul...
- Patent number 5,378,766
- Issue date Jan 3, 1995
- Tosoh Corporation
- Nobuyuki Ito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing chlorinated polyolefin
- Patent number 5,290,879
- Issue date Mar 1, 1994
- Tosoh Corporation
- Yoshiaki Ishida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing chlorosulfonated polyolefin in presence of ol...
- Patent number 5,212,254
- Issue date May 18, 1993
- Tosoh Corporation
- Yoshiaki Ishida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...