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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing polyacrylic acid (salt)-based water absorbent...
Patent number
11,459,431
Issue date
Oct 4, 2022
Nippon Shokubai Co., Ltd.
Hidenori Wada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Particulate water absorbing agent and water absorbent article
Patent number
10,525,445
Issue date
Jan 7, 2020
Nippon Shokubai Co., Ltd
Manabu Ueda
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Water absorbent agent composition and method for producing same, as...
Patent number
10,363,339
Issue date
Jul 30, 2019
Nippon Shokubai Co., Ltd
Manabu Ueda
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Particulate water absorbing agent and method for manufacturing same
Patent number
10,189,009
Issue date
Jan 29, 2019
Nippon Shokubai Co., Ltd.
Manabu Ueda
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for producing water-absorbing resin powder
Patent number
9,976,001
Issue date
May 22, 2018
Nippon Shokubai Co., Ltd
Sumio Okuda
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Water-absorbent resin composition and method for producing thereof,...
Patent number
9,796,853
Issue date
Oct 24, 2017
Nippon Shokubai Co., Ltd.
Hiroko Ueda
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Particulate water absorbent and process for production thereof
Patent number
9,775,927
Issue date
Oct 3, 2017
Nippon Shokubai Co., Ltd.
Taishi Kobayashi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Particulate water-absorbing agent and production method for the same
Patent number
9,669,386
Issue date
Jun 6, 2017
Nippon Shokubai Co., Ltd.
Katsuyuki Wada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Water-absorbing agent, manufacture method thereof, and absorbent an...
Patent number
9,308,290
Issue date
Apr 12, 2016
Nippon Shokubai Co., Ltd
Katsuyuki Wada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Water absorbing agent, water absorbent core using the agent, and ma...
Patent number
9,180,220
Issue date
Nov 10, 2015
Nippon Shokubai Co., Ltd.
Kazushi Torii
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polyacrylic acid (salt)-type water absorbent resin and method for p...
Patent number
9,138,505
Issue date
Sep 22, 2015
Nippon Shokubai Co., Ltd.
Kozo Nogi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Water absorbing agent and production method thereof
Patent number
9,115,235
Issue date
Aug 25, 2015
Nippon Shokubai Co., Ltd.
Hiroyuki Ikeuchi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polyacrylic acid (salt)-based water absorbent resin powder and meth...
Patent number
9,044,525
Issue date
Jun 2, 2015
Nippon Shokubai Co., Ltd.
Kazushi Torii
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Particulate water absorbent and process for production thereof
Patent number
8,952,116
Issue date
Feb 10, 2015
Nippon Shokubai Co., Ltd.
Taishi Kobayashi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Particular water-absorbent agent having water-absorbent resin as ma...
Patent number
8,729,190
Issue date
May 20, 2014
Nippon Shokubai Co., Ltd.
Takahiro Kitano
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Production process of polyacrylic acid (salt) water-absorbent resin
Patent number
8,729,191
Issue date
May 20, 2014
Nippon Shokubai Co., Ltd.
Takaaki Kawano
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Water-absorbent resin and its production process
Patent number
8,487,048
Issue date
Jul 16, 2013
Nippon Shokubai Co., Ltd.
Katsuyuki Wada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Water absorbing agent, water absorbent core using the agent, and ma...
Patent number
8,198,209
Issue date
Jun 12, 2012
Nippon Shokubai Co., Ltd.
Kazushi Torii
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Particulate water absorbing agent comprising crosslinked absorbent...
Patent number
8,182,916
Issue date
May 22, 2012
Nippon Shokubai Co., Ltd.
Kazuki Kimura
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Water absorbent resin composition and method for producing the same
Patent number
8,026,294
Issue date
Sep 27, 2011
Nippon Shokubai Co., Ltd.
Katsuyuki Wada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water absorbent resin composition and production method thereof
Patent number
7,960,469
Issue date
Jun 14, 2011
Nippon Shokubai Co., Ltd.
Yoshifumi Adachi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Water-absorbent composition, process for production thereof, absorb...
Patent number
7,825,169
Issue date
Nov 2, 2010
Nippon Shokubai Co Ltd
Katsuyuki Wada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Particulate water absorbing agent, water-absorbent core and absorbi...
Patent number
7,745,537
Issue date
Jun 29, 2010
Nippon Shokubai Co., Ltd.
Yasuhisa Nakashima
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Water-absorbing agent composition and method for production thereof...
Patent number
7,595,428
Issue date
Sep 29, 2009
Nippon Shokubai Co., Ltd.
Hiroko Ueda
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Particulate water absorbent agent and production method thereof, an...
Patent number
7,582,705
Issue date
Sep 1, 2009
Nippon Shokubai Co., Ltd.
Yorimichi Dairoku
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Particulate water-absorbing agent containing water-absorbent resin...
Patent number
7,510,988
Issue date
Mar 31, 2009
Nippon Shokubai Co., Ltd.
Katsuyuki Wada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Particulate water absorbing agent with irregularly pulverized shape
Patent number
7,473,470
Issue date
Jan 6, 2009
Nippon Shokubai Co., Ltd.
Kunihiko Ishizaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Particulate water absorbent agent and production method thereof, an...
Patent number
7,473,739
Issue date
Jan 6, 2009
Nippon Shokubai Co., Ltd.
Yorimichi Dairoku
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Particulate water absorbent containing water absorbent resin as a m...
Patent number
7,435,477
Issue date
Oct 14, 2008
Nippon Shokubi Co., Ltd.
Yoshifumi Adachi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-absorbing agent production process with surface crosslinking...
Patent number
7,420,018
Issue date
Sep 2, 2008
Nippon Shokubai Co., Ltd.
Katsuyuki Wada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT...
Publication number
20200317872
Publication date
Oct 8, 2020
NIPPON SHOKUBAI CO., LTD
Hidenori WADA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PARTICULATE WATER ABSORBING AGENT AND WATER ABSORBENT ARTICLE
Publication number
20190091660
Publication date
Mar 28, 2019
NIPPON SHOKUBAI CO., LTD
Manabu UEDA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN, AND METHOD FOR...
Publication number
20150307667
Publication date
Oct 29, 2015
NIPPON SHOKUBAI CO., LTD
Hidenori WADA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PARTICULATE WATER ABSORBING AGENT AND PROCESS FOR PRODUCING SAME
Publication number
20150218341
Publication date
Aug 6, 2015
NIPPON SHOKUBAI CO., LTD
Yasuhisa Nakashima
G01 - MEASURING TESTING
Information
Patent Application
PARTICULATE WATER ABSORBING AGENT AND METHOD FOR MANUFACTURING SAME
Publication number
20150217270
Publication date
Aug 6, 2015
Nippon Shokubai Co., Ltd.
Manabu Ueda
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Particulate Water Absorbent And Process For Production Thereof
Publication number
20150129799
Publication date
May 14, 2015
NIPPON SHOKUBAI CO., LTD
Taishi KOBAYASHI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
WATER ABSORBENT AGENT COMPOSITION AND METHOD FOR PRODUCING SAME, AS...
Publication number
20140299815
Publication date
Oct 9, 2014
Manabu Ueda
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Polyacrylic Acid (Salt)-Based Water Absorbent Resin Powder and Meth...
Publication number
20140193641
Publication date
Jul 10, 2014
NIPPON SHOKUBAI CO., LTD
Kazushi Torii
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
WATER-ABSORBING AGENT, MANUFACTURE METHOD THEREOF, AND ABSORBENT AN...
Publication number
20140058346
Publication date
Feb 27, 2014
NIPPON SHOKUBAI CO., LTD
Katsuyuki WADA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PARTICULATE WATER-ABSORBING AGENT AND PRODUCTION METHOD FOR THE SAME
Publication number
20130175473
Publication date
Jul 11, 2013
Nippon Shokubai Co., Ltd.
Katsuyuki Wada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
WATER ABSORBING AGENT, WATER ABSORBENT CORE USING THE AGENT, AND MA...
Publication number
20120305842
Publication date
Dec 6, 2012
NIPPON SHOKUBAI CO., LTD
Kazushi Torii
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR PRODUCING WATER-ABSORBING RESIN POWDER
Publication number
20120298915
Publication date
Nov 29, 2012
Nippon Shokubai Co., Ltd.
Sumio Okuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PARTICULATE WATER ABSORBENT AND PROCESS FOR PRODUCTION THEREOF
Publication number
20120184670
Publication date
Jul 19, 2012
NIPPON SHOKUBAI CO., LTD
Taishi Kobayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYACRYLIC ACID (SALT)-TYPE WATER ABSORBENT RESIN AND METHOD FOR P...
Publication number
20120172536
Publication date
Jul 5, 2012
NIPPON SHOKUBAI CO., LTD
Kozo Nogi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
WATER-ABSORBING RESIN COMPOSITION AND PROCESS FOR PRODUCTION OF THE...
Publication number
20100240808
Publication date
Sep 23, 2010
Nippon Shokubai Co., Ltd.
Katsuyuki Wada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PARTICULATE WATER-ABSORBING AGENT HAVING WATER-ABSORBING RESIN AS M...
Publication number
20100120940
Publication date
May 13, 2010
NIPPON SHOKUBAI CO., LTD
Yoshifumi Adachi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PARTICULAR WATER-ABSORBENT AGENT HAVING WATER-ABSORBENT RESIN AS MA...
Publication number
20100072421
Publication date
Mar 25, 2010
Nippon Shokubai Co., Ltd.
Takahiro Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Water absorbing agent, water absorbing article and method for produ...
Publication number
20100062252
Publication date
Mar 11, 2010
NIPPON SHOKUBAI CO., LTD
Kazuki Kimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
WATER ABSORBING AGENT, WATER ABSORBENT CORE USING THE AGENT, AND MA...
Publication number
20090298685
Publication date
Dec 3, 2009
Nippon Shokubai Co., Ltd.
Kazushi Torii
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Water absorbing agent and production method thereof
Publication number
20090182294
Publication date
Jul 16, 2009
NIPPON SHOKUBAI CO., LTD
Hiroyuki Ikeuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Particulate water-absorbing agent with water-absorbing resin as mai...
Publication number
20090036855
Publication date
Feb 5, 2009
Katsuyuki Wada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Particulate Water Absorbing Agent, Water-Absorbent Core and Absorbi...
Publication number
20090008604
Publication date
Jan 8, 2009
NIPPON SHOKUBAI CO., LTD
Yasuhisa Nakashima
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Particulate water absorbent agent and production method thereof, an...
Publication number
20080269372
Publication date
Oct 30, 2008
Yorimichi Dairoku
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Production Process of Polyacrylic Acid (Salt) Water-Absorbent Resin
Publication number
20080161512
Publication date
Jul 3, 2008
Takaaki Kawano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Particulate Water-Absorbing Agent Containing Water-Absorbent Resin...
Publication number
20080075937
Publication date
Mar 27, 2008
Katsuyuki Wada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Water-absorbing agent, manufacture method thereof, and absorbent an...
Publication number
20070173610
Publication date
Jul 26, 2007
Katsuyuki Wada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Particulate water absorbing agent with irregularly pulverized shape
Publication number
20070141338
Publication date
Jun 21, 2007
Kunihiko Ishizaki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Water absorbent resin composition and production method thereof
Publication number
20070106013
Publication date
May 10, 2007
Yoshifumi Adachi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Particulate water absorbing agent with water-absorbing resin as mai...
Publication number
20070066167
Publication date
Mar 22, 2007
Katsuyuki Wada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Water-absorbent resin and its production process
Publication number
20060276598
Publication date
Dec 7, 2006
Katsuyuki Wada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...