Hideo Asahina

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Tenri, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cation exchange polyimide resin and use thereof
- Patent number 5,157,055
- Issue date Oct 20, 1992
- Sharp Kabushiki Kaisha
- Yoshiro Akagi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...