Ritsuo Kitada

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for drying nonionic alkylene oxide-type water-soluble resin,...
- Patent number 7,354,984
- Issue date Apr 8, 2008
- Dai-Ichi Kogyo Seiyaku Co., Ltd.
- Michiyuki Kono
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing α-hydroxycarboxylate
- Patent number 7,122,698
- Issue date Oct 17, 2006
- Nippon Shokubai Co., Ltd.
- Hiroshi Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production process, production apparatus, and product of resin part...
- Patent number 5,965,676
- Issue date Oct 12, 1999
- Nippon Shokubai Co., Ltd.
- Kazuhiro Anan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for preparation of methacrylic acid
- Patent number 4,621,155
- Issue date Nov 4, 1986
- Nippon Shokubai Kagaku Kogyo Co. Ltd.
- Michio Ueshima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oxidation catalyst
- Patent number 4,419,270
- Issue date Dec 6, 1983
- Nippon Shokubai Kagaku Kogyo Co. Ltd.
- Michio Ueshima
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Water soluble nonionic alkylene oxide resin, and production process...
- Publication number 20050245410
- Publication date Nov 3, 2005
- Masaki Tezuka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method for drying nonionic alkylene oxide-type water-soluble resin,...
- Publication number 20050211956
- Publication date Sep 29, 2005
- Michiyuki Kono
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for producing alpha - hydroxycarboxylate
- Publication number 20050090686
- Publication date Apr 28, 2005
- Nippon Shokubai Co., Ltd.
- Hiroshi Yoshida
- C07 - ORGANIC CHEMISTRY