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Ichihara, JP
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last 30 patents
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Patent Grant
Process for producing polyolefin
Patent number
4,483,939
Issue date
Nov 20, 1984
Sumitomo Chemical Company, Limited
Kazuo Baba
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing propylene block copolymers
Patent number
4,433,110
Issue date
Feb 21, 1984
Sumitomo Chemical Company, Limited
Kazuo Baba
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst system for polymerization of olefins and process for produ...
Patent number
4,350,802
Issue date
Sep 21, 1982
Sumitomo Chemical Company, Limited
Kazuo Baba
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for polymerizing olefins
Patent number
4,339,560
Issue date
Jul 13, 1982
Sumitomo Chemical Company, Limited
Kazuo Baba
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...