Tokihiro Yokoi

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Patents Grantslast 30 patents

Information Patent Grant
Drying process of viscous solution containing (meth)acrylic acid-ba...
- Patent number 5,668,252
- Issue date Sep 16, 1997
- Nippon Shokubai Co., Ltd.
- Tokihiro Yokoi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing and use of maleic acid (co-) polymer salt imp...
- Patent number 5,064,563
- Issue date Nov 12, 1991
- Nippon Shokubai Co., Ltd.
- Shigeru Yamaguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...