Membership
Tour
Register
Log in
Tadashi Matsumoto
Follow
Person
Saitama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method for recovering phosphate from sludge and system therefor
Patent number
6,338,799
Issue date
Jan 15, 2002
Mitsubishi Materials Corporation
Yuichi Fukushima
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Process for producing lightly colored p-vinylphenol polymer
Patent number
6,258,901
Issue date
Jul 10, 2001
Maruzen Petrochemical Co., LTD
Masao Kaneko
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for removing metals from vinylphenol-type polymers
Patent number
5,929,204
Issue date
Jul 27, 1999
Maruzen Petrochemical Co., Ltd.
Takeshi Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stable m-vinylphenol composition, and methods of stabilizing and pu...
Patent number
5,476,973
Issue date
Dec 19, 1995
Maruzen Petrochemical Co., Ltd.
Rika Hatano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for removing metals from vinylphenol polymers
Patent number
5,288,850
Issue date
Feb 22, 1994
Maruzen Petrochemical Co., Ltd.
Tadashi Matsumoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for purifying vinylphenol polymers for use as photoresist m...
Patent number
5,284,930
Issue date
Feb 8, 1994
Maruzen Petrochemical Co., Ltd.
Tadashi Matsumoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for the production of reformed p-vinylphenol polymers which...
Patent number
4,709,009
Issue date
Nov 24, 1987
Maruzen Petrochemical Co., Ltd.
Hiroshi Fujiwara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...