Yoshio Nakayama

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Membrane filter material having excellent organic solvent resistanc...
- Patent number 5,035,802
- Issue date Jul 30, 1991
- Mitsui Petrochemical Industries, Ltd.
- Kazuyuki Yamasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Membrane filter material having excellent organic solvent resistanc...
- Patent number 4,983,717
- Issue date Jan 8, 1991
- Mitsui Petrochemical Industries, Ltd.
- Kazuyuki Yamasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...