Isao Akihara

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-in-oil emulsion process for producing an aromatic polycarbonate
- Patent number 5,047,497
- Issue date Sep 10, 1991
- Mitsubishi Kasei Corporation
- Mitsuhiko Tamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation with controlled amounts of polycarbonate carbon tetrach...
- Patent number 4,839,458
- Issue date Jun 13, 1989
- Mitsubishi Chemical Industries Ltd.
- Shinichiro Koga
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...