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Patents Grants
last 30 patents
Information
Patent Grant
Biodegradable resin composition and biodegradable resin molded article
Patent number
7,517,937
Issue date
Apr 14, 2009
Nishikawa Rubber Co., Ltd.
Toru Yano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biodegradable resin composition and preparation process thereof
Patent number
6,114,496
Issue date
Sep 5, 2000
Nishikawa Rubber Co., Ltd.
Junzo Otera
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyhydroxycarboxylic acid copolymer...
Patent number
5,844,068
Issue date
Dec 1, 1998
Nishikawa Rubber Co., Ltd.
Junzo Otera
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for preparing polyhydroxycarboxylic acid resin
Patent number
5,734,007
Issue date
Mar 31, 1998
Nishikawa Rubber Co., Ltd.
Junzo Otera
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
POLY-L-LACTIC ACID CRYSTALLIZATION ACCELERATOR AND PRODUCTION METHO...
Publication number
20080188629
Publication date
Aug 7, 2008
Nishikawa Rubber Co., Ltd.
Toru YANO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Resin composition
Publication number
20070173616
Publication date
Jul 26, 2007
Kinki University
Kazuo Sugiyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Compatibilizing agent and resin composition
Publication number
20070027255
Publication date
Feb 1, 2007
Kinki University and NISHIKAWA RUBBER CO., LTD.
Kazuo Sugiyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Biodegradable resin composition and biodegradable resin molded article
Publication number
20040224123
Publication date
Nov 11, 2004
NISHIKAWA RUBBER CO., LTD.
Toru Yano
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL