Higashimura; Toshinobu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing star compounds
- Patent number 5,102,966
- Issue date Apr 7, 1992
- Sekisui Chemical Co., Ltd.
- Toshinobu Higashimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer and a membrane having an improved gas-permeability and sele...
- Patent number 4,778,868
- Issue date Oct 18, 1988
- Toshinobu Higashimura
- Toshinobu Higashimura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Polymer and a membrane having an improved gas-permeability and sele...
- Patent number 4,755,193
- Issue date Jul 5, 1988
- Higashimura; Toshinobu
- Toshinobu Higashimura
- C01 - INORGANIC CHEMISTRY

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