by Chichiro Imai legal representative

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Patents Grantslast 30 patents

Information Patent Grant
Block copolymer containing tetrahydrofuran block
- Patent number 4,705,830
- Issue date Nov 10, 1987
- Toa Nenryo Kogyo Kabushiki Kaisha
- Tokuo Makishima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...