Michio Saito

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Shinnanyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing a light color high softening point hydrocarbo...
- Patent number 4,870,146
- Issue date Sep 26, 1989
- Tosoh Corporation
- Yasushi Sakai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for gas phase polymerization of vinyl chloride
- Patent number 4,826,935
- Issue date May 2, 1989
- Toyo Soda Manufacturing Co., Ltd.
- Mineo Nagano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for gas phase polymerization of vinyl chloride
- Patent number 4,740,571
- Issue date Apr 26, 1988
- Toyo Soda Manufacturing Co., Ltd.
- Mineo Nagano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing a hydrocarbon resin
- Patent number 4,684,711
- Issue date Aug 4, 1987
- Toyo Soda Manufacturing Co., Ltd.
- Yasushi Sakai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...