Atsunori Koshirai

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Matsudo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of poly-p-phenylene with (1) aluminum chloride and (2)...
- Patent number 4,902,776
- Issue date Feb 20, 1990
- Hirai; Hidefumi
- Hidefumi Hirai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...