Hiroshi Ogawa

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Patents Grantslast 30 patents

Information Patent Grant
Cellulose triacetates and methods for producing the cellulose triac...
- Patent number 6,683,174
- Issue date Jan 27, 2004
- Daicel Chemical Industries, Ltd.
- Toru Ozaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of an alkyl vinyl ether/maleic anhydrid...
- Patent number 5,385,995
- Issue date Jan 31, 1995
- Daicel Chemical Industries, Ltd.
- Hisao Fujikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...