Yuichika Kawakami

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Iwaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production processes of arylene thioether oligomer and copolymer
- Patent number 5,304,629
- Issue date Apr 19, 1994
- Kureha Kagaku Kogyo K.K.
- Hiroyuki Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...