Kenichi Ishihara

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Ehime, JP

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst for preparation of polyester and process for preparing pol...
- Patent number 7,544,762
- Issue date Jun 9, 2009
- Teijin Limited
- Tomoyoshi Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing poly(ethylene-aromatic dicarboxylate ester) r...
- Patent number 7,189,797
- Issue date Mar 13, 2007
- Teijin Limited
- Nobuo Minobe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dimethyl terephthalate composition and process for producing the same
- Patent number 7,078,440
- Issue date Jul 18, 2006
- Teijin Limited
- Kenichi Ishihara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for separating and recovering dimethyl terephthalate and eth...
- Patent number 6,706,843
- Issue date Mar 16, 2004
- Teijin Limited
- Kenichi Ishihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Process for producing poly(ethylene-aromatic dicarboxylate ester) r...
- Publication number 20040254331
- Publication date Dec 16, 2004
- Nobuo Minobe
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Catalyst for polyester production and process for producing polyest...
- Publication number 20040176564
- Publication date Sep 9, 2004
- Tomoyoshi Yamamoto
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Dimethyl terephthalate composition and process for producing the same
- Publication number 20040054019
- Publication date Mar 18, 2004
- Kenichi Ishihara
- C07 - ORGANIC CHEMISTRY