Kentaro Otawara

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Fukushima-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing glycolide, which is provided with rectificatio...
- Patent number 9,365,536
- Issue date Jun 14, 2016
- Kureha Corporation
- Takuya Ohzawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Apparatus for solid-liquid contact
- Patent number 8,596,858
- Issue date Dec 3, 2013
- Kureha Corporation
- Hiroaki Ohashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for purifying hydroxycarboxylic acid, process for producing...
- Patent number 7,781,600
- Issue date Aug 24, 2010
- Kureha Corporation
- Tomoyuki Ogawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for purification of cyclic ester
- Patent number 6,693,204
- Issue date Feb 17, 2004
- Kureha Kagaku Kogyo K.K.
- Tetsuo Ejiri
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING GLYCOLIDE, WHICH IS PROVIDED WITH RECTIFICATIO...
- Publication number 20160236112
- Publication date Aug 18, 2016
- Kureha Corporation
- Takuya Ohzawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING GLYCOLIDE, WHICH IS PROVIDED WITH RECTIFICATIO...
- Publication number 20150259320
- Publication date Sep 17, 2015
- KUREHA CORPORATION
- Takuya Ohzawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process For Purifying Hydroxycarboxylic Acid, Process For Producing...
- Publication number 20080214842
- Publication date Sep 4, 2008
- Tomoyuki Ogawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Apparatus and Method for Solid-Liquid Contact
- Publication number 20080025143
- Publication date Jan 31, 2008
- Hiroaki Ohashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for purification of cyclic ester
- Publication number 20030109722
- Publication date Jun 12, 2003
- Tetsuo Ejiri
- C07 - ORGANIC CHEMISTRY