Naofumi Saiuchi

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Shiga-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Blocked urethane prepolymers as paper wet strength agent
- Patent number 6,488,813
- Issue date Dec 3, 2002
- Dai-Ichi Kogyo Seiyaku Co., Ltd.
- Takeshi Doi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Radiation-curable polyurethane emulsion compositions
- Patent number 5,360,835
- Issue date Nov 1, 1994
- Dai-Ichi Kogyo Seiyaku Co., Ltd.
- Kazuo Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Blocked urethane prepolymers as paper wet strength agent
- Publication number 20020088583
- Publication date Jul 11, 2002
- Dai-ichi Kogyo Seiyaku Co., Ltd.
- Takeshi Doi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE