Toshikazu Tayama

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Otsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydrophilic material and semipermeable membrane made therefrom
- Patent number 5,480,953
- Issue date Jan 2, 1996
- Toray Industries, Inc.
- Hiroyuki Sugaya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...