Tetsuo Yokota

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Shin-nanyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing porous polystyrene gel
- Patent number 4,174,430
- Issue date Nov 13, 1979
- Toyo Soda Manufacturing Co., Ltd.
- Shiro Kido
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...