SUMITOMO SEIKA CHEMICALS, CO., LTD.

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KAKO-GUN, JP

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Patents Grantslast 30 patents

Information Patent Grant
Off-gas feed method and target gas purification system
- Patent number 7,438,746
- Issue date Oct 21, 2008
- Sumitomo Seika Chemicals, Co., Ltd.
- Toshihiko Sumida
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Process for preparing water-absorbent resin
- Patent number 6,573,330
- Issue date Jun 3, 2003
- Sumitomo Seika Chemicals, Co., Ltd.
- Masato Fujikake
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of thiophene-2,5-dicarboxylic acid diesters, tetrahydrot...
- Patent number 5,093,504
- Issue date Mar 3, 1992
- Sumitomo Seika Chemicals, Co., Ltd.
- Hiroshi Goda
- C07 - ORGANIC CHEMISTRY

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Patents Applicationslast 30 patents

Information Patent Application
WATER-ABSORBENT SHEET STRUCTURE
- Publication number 20120328861
- Publication date Dec 27, 2012
- SUMITOMO SEIKA CHEMICALS, CO., LTD.
- Tetsuhiro Hinayama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE