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Hyogo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing water-absorbent resin
Patent number
9,061,269
Issue date
Jun 23, 2015
Sumitomo Seika Chemicals Co., Ltd.
Masayoshi Handa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
Crosslinked (meth)acrylic acid copolymer and secondary-cell electro...
Patent number
8,088,874
Issue date
Jan 3, 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-...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING WATER-ABSORBENT RESIN
Publication number
20130274088
Publication date
Oct 17, 2013
SUMITOMO SEIKA CHEMICALS CO., LTD.
Masayoshi Handa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
METHOD FOR PRODUCING WATER-ABSORBENT RESIN
Publication number
20130273351
Publication date
Oct 17, 2013
Sumitomo Seika Chemicals Co., Ltd.
Junichi Takatori
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
WATER ABSORBENT RESIN AND METHOD FOR PRODUCING SAME
Publication number
20130158495
Publication date
Jun 20, 2013
Sumitomo Seika Chemicals Co., Ltd.
Masayoshi Handa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
WATER-ABSORBENT SHEET STRUCTURE
Publication number
20120328862
Publication date
Dec 27, 2012
Sumitomo Seika Chemicals Co., LTD
Shinya Fukudome
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
WATER ABSORBENT SHEET
Publication number
20120089108
Publication date
Apr 12, 2012
SUMITOMO SEIKA CHEMICALS CO., LTD.
Koji Ueda
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
CROSSLINKED (METH)ACRYLIC ACID COPOLYMER AND SECONDARY-CELL ELECTRO...
Publication number
20090306304
Publication date
Dec 10, 2009
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
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
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-...