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Masato Fujikake
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Kakogawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for production of crosslinked poly(meth) acrylic acid nitro...
Patent number
8,252,869
Issue date
Aug 28, 2012
Sumitomo Seika Chemicals Co., Ltd.
Nobutaka Fujimoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing crosslinked poly(meth)acrylate compound
Patent number
7,816,457
Issue date
Oct 19, 2010
Sumitomo Seika Chemicals Co., Ltd.
Nobutaka Fujimoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing water-absorbing resin
Patent number
7,737,231
Issue date
Jun 15, 2010
Sumitomo Seika Chemicals Co., Ltd.
Masayoshi Handa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Carboxylated polymer composition
Patent number
6,869,994
Issue date
Mar 22, 2005
Sumitomo Seika Chemicals Co., Ltd.
Masato Fujikake
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Carboxylated polymer composition
Patent number
6,599,979
Issue date
Jul 29, 2003
Sumitomo Seika Chemicals Co., Ltd.
Masato Fujikake
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing water-absorbent resin
Patent number
6,573,330
Issue date
Jun 3, 2003
Sumitomo Seika Chemicals, Co., Ltd.
Masato Fujikake
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous polymerization of acrylamide in the presence of polyvinylpy...
Patent number
6,235,828
Issue date
May 22, 2001
Sumitomo Seika Chemicals Co., Ltd.
Masato Fujikake
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Carboxylated polymer composition
Patent number
6,084,032
Issue date
Jul 4, 2000
Sumitomo Seika Chemicals Co., Ltd.
Masato Fujikake
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing cross-linked polymer containing carboxyl group
Patent number
5,629,395
Issue date
May 13, 1997
Sumitomo Seika Chemicals Co., Ltd.
Masato Fujikake
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for production of alkylene oxide polymers
Patent number
5,326,852
Issue date
Jul 5, 1994
Sumitomo Seika Chemicals Co., Ltd.
Masato Fujikake
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-absorbent resin having improved water-absorbency and improved...
Patent number
4,541,871
Issue date
Sep 17, 1985
Seitetsu Kagaku Co., Ltd.
Shigeji Obayashi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Water-absorbent resin having improved water-absorbency and improved...
Patent number
4,507,438
Issue date
Mar 26, 1985
Seitetsu Kagaku Co., Ltd.
Shigeji Obayashi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
WATER-ABSORBING RESIN SUITABLE FOR ABSORBING VISCOUS LIQUIDS CONTAI...
Publication number
20100273647
Publication date
Oct 28, 2010
Sumitomo Seika Chemicals Co., LTD
Yasuhiro Nawata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
WATER-ABSORBING RESIN SUITABLE FOR ABSORBING VISCOUS LIQUIDS CONTAI...
Publication number
20090136736
Publication date
May 28, 2009
Sumitomo Seika Chemicals Co., LTD
Yasuhiro Nawata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for Producing Crosslinked Poly (Meth) Acrylate Compound
Publication number
20080319149
Publication date
Dec 25, 2008
Sumitomo Seika Chemicals Co., Ltd.
Nobutaka Fujimoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Water-absorbing resin suitable for absorbing viscous liquids contai...
Publication number
20070178786
Publication date
Aug 2, 2007
Sumitomo Seika Chemicals Co., LTD
Yasuhiro Nawata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polyaminopyridines and method for producing same
Publication number
20060293503
Publication date
Dec 28, 2006
SUMITOMO SEIKA CHEMICALS CO., LTD.
Takaki Kanbara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for producing water-absorbing resin
Publication number
20050085604
Publication date
Apr 21, 2005
Masayoshi Handa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Water-absorbing resin suitable for absorbing viscous liquids contai...
Publication number
20030153887
Publication date
Aug 14, 2003
Yasuhiro Nawata
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CARBOXYLATED POLYNER COMPOSITION
Publication number
20020111436
Publication date
Aug 15, 2002
MASATO FUJIKAKE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...