Shunichi Koide

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aromatic copolyamide from naphthalene dicarboxylic acids
- Patent number 5,235,030
- Issue date Aug 10, 1993
- Showa Shell Sekiyu Kabushiki Kaisha
- Shunichi Koide
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polyamide from 2,7-naphthalene dicarboxylic acid or deriva...
- Patent number 5,102,982
- Issue date Apr 7, 1992
- Showa Shell Sekiyu Kabushiki Kaisha
- Shunichi Koide
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for separating methyl substituted naphthalene by crystalliz...
- Patent number 4,992,619
- Issue date Feb 12, 1991
- Showa Shell Sekiyu K.K.
- Shunichi Koide
- C07 - ORGANIC CHEMISTRY