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Patents Grants
last 30 patents
Information
Patent Grant
Catalyst for polyester production, process for producing polyester...
Patent number
RE40571
Issue date
Nov 11, 2008
Mitsui Chemicals, Inc.
Takeshi Ohmatsuzawa
528 - Synthetic resins or natural rubbers
Information
Patent Grant
Catalyst for polyester production, process for producing polyester...
Patent number
6,451,959
Issue date
Sep 17, 2002
Mitsui Chemicals, Inc.
Takeshi Ohmatsuzawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst for polyester production, process for producing polyester...
Patent number
6,346,070
Issue date
Feb 12, 2002
Mitsui Chemicals Inc.
Takeshi Ohmatsuzawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
CATALYST FOR POLYESTER PRODUCTION, PROCESS FOR PRODUCING POLYESTER...
Publication number
20020137879
Publication date
Sep 26, 2002
Mitsui Chemicals, Inc.
Takeshi Ohmatsuzawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...