Hatuo Sugitani

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Imido-modified unsaturated polyester resin composition
- Patent number 4,902,771
- Issue date Feb 20, 1990
- Hitachi Chemical Company, Ltd.
- Yasuo Sugawara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Special solvent column for GPC and GPC method using the same
- Patent number 4,353,801
- Issue date Oct 12, 1982
- Hitachi Chemical Company, Ltd.
- Yoshiyuki Mukoyama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Expandable styrene series resin composition and process for product...
- Patent number 4,351,910
- Issue date Sep 28, 1982
- Hitachi Chemical Company, Ltd.
- Hatuo Sugitani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...