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Yamaguchi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Production process and production system of aromatic polycarbonate
Patent number
6,670,440
Issue date
Dec 30, 2003
Teijin Limited
Kyosuke Matsumoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Twin screw extruder, method of making aromatic polycarbonate using...
Patent number
6,613,128
Issue date
Sep 2, 2003
Teijin Limited
Masasi Simonaru
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus and method for producing resin
Patent number
6,562,936
Issue date
May 13, 2003
Teijin Limited
Kazuki Hatono
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for production of aromatic polycarbonate resin and molded a...
Patent number
6,472,496
Issue date
Oct 29, 2002
Teijin Limited
Kyosuke Matsumoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polycarbonates
Patent number
6,380,345
Issue date
Apr 30, 2002
Teijin Limited
Kazuhiro Uenishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Carbonic acid diester, aromatic polycarbonate and facilities, and p...
Patent number
6,323,302
Issue date
Nov 27, 2001
Teijin Limited
Katsushi Sasaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Aromatic polycarbonate resin composition
Publication number
20040147655
Publication date
Jul 29, 2004
Toru Sawaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TWIN SCREW EXTRUDER, METHOD OF MAKING AROMATIC POLYCARBONATE USING...
Publication number
20030154859
Publication date
Aug 21, 2003
MASASI SIMONARU
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method and apparatus for producing aromatic polycarbonate
Publication number
20030120023
Publication date
Jun 26, 2003
Kyosuke Matsumoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Aromatic polycarbonate, process for producing the same, and composi...
Publication number
20030027941
Publication date
Feb 6, 2003
Toru Sawaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for production of aromatic polycarbonate resin and molded a...
Publication number
20020032299
Publication date
Mar 14, 2002
Kyosuke Matsumoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...