Hiroyuki Shiraishi

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Kako-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing 2-halogenated benzoic acids
- Patent number 10,364,206
- Issue date Jul 30, 2019
- Sumitomo Seika Chemicals Co., Ltd.
- Katsumi Takano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diaryl sulfone compound, and manufacturing method for same
- Patent number 9,365,507
- Issue date Jun 14, 2016
- Sumitomo Seika Chemicals Co., Ltd.
- Paul Kuad
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diaryl sulfone compound, and manufacturing method for same
- Patent number 9,040,724
- Issue date May 26, 2015
- Sumitomo Seika Chemicals Co., Ltd.
- Paul Kuad
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing a methylene disulfonate compound
- Patent number 8,501,966
- Issue date Aug 6, 2013
- Sumitomo Seika Chemicals Co., Ltd.
- Seiji Bando
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITION CONTAINING ANTICAKING AGENT
- Publication number 20180354900
- Publication date Dec 13, 2018
- Sumitomo Seika Chemicals Co., LTD
- Katsumi TAKANO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING 2-HALOGENATED BENZOIC ACIDS
- Publication number 20180086687
- Publication date Mar 29, 2018
- Sumitomo Seika Chemicals Co., Ltd.
- Katsumi Takano
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING A METHYLENE DISULFONATE COMPOUND
- Publication number 20130137881
- Publication date May 30, 2013
- Sumitomo Seika Chemicals Co., Ltd.
- Seiji Bando
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NOVEL DIARYL SULFONE COMPOUND, AND MANUFACTURING METHOD FOR SAME
- Publication number 20130005993
- Publication date Jan 3, 2013
- Sumitomo Seika Chemicals Co., LTD
- Paul Kuad
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NOVEL DIARYL SULFONE COMPOUND, AND MANUFACTURING METHOD FOR SAME
- Publication number 20130005982
- Publication date Jan 3, 2013
- Sumitomo Seika Chemicals Co., LTD
- Paul Kuad
- C07 - ORGANIC CHEMISTRY