Yoh Yamauchi

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Osaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydrophilic thickening agent and method of producing same
- Patent number 9,139,671
- Issue date Sep 22, 2015
- Sumitomo Seika Chemicals Co., Ltd.
- Yoh Yamauchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING WATER-SOLUBLE HYDROXYETHYL CELLULOSE
- Publication number 20190263938
- Publication date Aug 29, 2019
- Sumitomo Seika Chemicals Co., Ltd.
- Yoh YAMAUCHI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HYDROPHILIC THICKENING AGENT AND METHOD OF PRODUCING SAME
- Publication number 20130324670
- Publication date Dec 5, 2013
- SUMITOMO SEIKA CHEMICALS CO., LTD.
- Yoh Yamauchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...