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Kazuhiko Sakamoto
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Kobe, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polyacrylic acid (salt)-based water absorbent resin and method for...
Patent number
10,294,315
Issue date
May 21, 2019
Nippon Shokubai Co., Ltd.
Satoshi Matsumoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Particle-shaped water absorbing agent and method for producing the...
Patent number
9,187,579
Issue date
Nov 17, 2015
Nippon Shokubai Co., Ltd.
Hiroyuki Ikeuchi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Device and process for crystallizing (meth)acrylic acid
Patent number
8,859,809
Issue date
Oct 14, 2014
Nippon Shokubai Co., Ltd.
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crystallization unit for acrylic acid and method for crystallizatio...
Patent number
8,846,977
Issue date
Sep 30, 2014
Nippon Shokubai Co Ltd
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for crystallizing (meth)acrylic acid and method for regulati...
Patent number
8,704,000
Issue date
Apr 22, 2014
Nippon Shokubai Co., Ltd.
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing (meth) acrylic acid
Patent number
8,680,330
Issue date
Mar 25, 2014
Nippon Shokubai Co., Ltd.
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of (meth)acrylic acid
Patent number
8,680,331
Issue date
Mar 25, 2014
Nippon Shokubai Co., Ltd.
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing acrylic acid, and method for producing hydroph...
Patent number
8,426,640
Issue date
Apr 23, 2013
Nippon Shokubai Co., Ltd.
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing (meth)acrylic acid
Patent number
8,278,481
Issue date
Oct 2, 2012
Nippon Shokubai Co., Ltd.
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymerization inhibition method
Patent number
7,977,503
Issue date
Jul 12, 2011
Nippon Shokubai Co., Ltd.
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for production of acrylic acid and apparatus for production...
Patent number
7,541,490
Issue date
Jun 2, 2009
Nippon Shokubai Co., Ltd.
Kazuto Okazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for starting up reactor and reactor system
Patent number
7,468,167
Issue date
Dec 23, 2008
Nippon Shokubai Co., Ltd.
Yukihiro Matsumoto
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Vertical heat exchanger
Patent number
7,377,307
Issue date
May 27, 2008
Nippon Shokubai Co., Ltd.
Yuichi Ijiri
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method for distilling (meth)acrylic acid and/or the ester thereof
Patent number
7,319,167
Issue date
Jan 15, 2008
Nippon Shokubai Co., Ltd.
Sei Nakahara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Perforated tray column without downcomer
Patent number
7,235,158
Issue date
Jun 26, 2007
Nippon Shokubai Co., Ltd.
Yukihiro Matsumoto
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method for production of acrylic acid and apparatus for production...
Patent number
7,198,766
Issue date
Apr 3, 2007
Nippon Shokubai Co., Ltd.
Kazuto Okazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for treatment of waste gas
Patent number
7,060,230
Issue date
Jun 13, 2006
Nippon Shokubai, Co., Ltd.
Kazuto Okazaki
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Method for purification of acrylic acid
Patent number
7,048,834
Issue date
May 23, 2006
Nippon Shokubai Co., Ltd.
Yoshitake Ishii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acrylic acid composition and its production process, and process fo...
Patent number
7,049,366
Issue date
May 23, 2006
Nippon Shokubai Co., Ltd.
Sei Nakahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for preventing polymerization in an acrylic acid manufacturi...
Patent number
7,005,544
Issue date
Feb 28, 2006
Nippon Shokubai Co., Ltd.
Kazuo Ohkouchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Apparatus and process for producing (meth)acrylic acid
Patent number
6,966,973
Issue date
Nov 22, 2005
Nippon Shokubai Co., Ltd.
Sei Nakahara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for starting up reactor and reactor system
Patent number
6,946,573
Issue date
Sep 20, 2005
Nippon Shokaubai Co., Ltd.
Yukihiro Matsumoto
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method for production of unsaturated carboxylic ester
Patent number
6,930,198
Issue date
Aug 16, 2005
Nippon Shokubai Co., Ltd.
Kazuto Okazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Apparatus and method for preparation and supply of polymerization i...
Patent number
6,899,452
Issue date
May 31, 2005
Nippon Shokubai Co., Inc.
Kei Hamamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for decomposition of michael type adduct
Patent number
6,900,346
Issue date
May 31, 2005
Nippon Shokubai Co., Inc.
Fumio Shibusawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing (meth)acrylic acid
Patent number
6,888,026
Issue date
May 3, 2005
Nippon Shokubai Co., Ltd.
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for decomposition of Michael type adduct
Patent number
6,870,066
Issue date
Mar 22, 2005
Nippon Shokubai Co., Ltd.
Fumio Shibusawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preventing plate type heat exchanger from blockage
Patent number
6,848,501
Issue date
Feb 1, 2005
Nippon Shokubai Co., Ltd.
Harunori Hirao
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method for production of organic acid
Patent number
6,831,195
Issue date
Dec 14, 2004
Nippon Shokubai, Co., Ltd.
Takeshi Nishimura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for distilling (meth) acrylic acid solution
Patent number
6,787,001
Issue date
Sep 7, 2004
Nippon Shokubai Co Ltd
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
POLYACRYLIC ACID (SALT)-BASED WATER ABSORBENT RESIN AND METHOD FOR...
Publication number
20120189861
Publication date
Jul 26, 2012
NIPPON SHOKUBAI CO., LTD
Satoshi Matsumoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CRYSTALLIZATION UNIT FOR ACRYLIC ACID AND METHOD FOR CRYSTALLIZATIO...
Publication number
20120108857
Publication date
May 3, 2012
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DEVICE AND PROCESS FOR CRYSTALLIZING (METH) ACRYLIC ACID
Publication number
20120108847
Publication date
May 3, 2012
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCTION OF (METH)ACRYLIC ACID
Publication number
20120083624
Publication date
Apr 5, 2012
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR CRYSTALLIZING (METH)ACRYLIC ACID AND METHOD FOR REGULATI...
Publication number
20120071620
Publication date
Mar 22, 2012
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCING (METH) ACRYLIC ACID
Publication number
20110319661
Publication date
Dec 29, 2011
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCING ACRYLIC ACID, AND PROCESS FOR PRODUCING HYDRO...
Publication number
20110118426
Publication date
May 19, 2011
Nippon Shokubai Co., Ltd.
Kazuhiko Sakamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING (METH)ACRYLIC ACID
Publication number
20100130778
Publication date
May 27, 2010
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYMERIZATION INHIBITION METHOD
Publication number
20100130766
Publication date
May 27, 2010
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PARTICLE-SHAPED WATER ABSORBING AGENT AND METHOD FOR PRODUCING THE...
Publication number
20100009846
Publication date
Jan 14, 2010
Nippon Shokubai Co., Ltd.
Hiroyuki Ikeuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for production of acrylic acid and apparatus for production...
Publication number
20070066845
Publication date
Mar 22, 2007
Kazuto Okazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for starting up reactor and reactor system
Publication number
20060009655
Publication date
Jan 12, 2006
Yukihiro Matsumoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for distilling (meth)acrylic acid and/or the ester thereof
Publication number
20040230074
Publication date
Nov 18, 2004
Sei Nakahara
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Acrylic acid composition and its production process, and process fo...
Publication number
20040110914
Publication date
Jun 10, 2004
Sei Nakahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for preventing polymerization in an acrylic acid manufacturi...
Publication number
20040044120
Publication date
Mar 4, 2004
Kazuo Ohkouchi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for decomposition of Michael type adduct
Publication number
20030204106
Publication date
Oct 30, 2003
Fumio Shibusawa
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for preventing plate type heat exchanger from blockage
Publication number
20030111216
Publication date
Jun 19, 2003
Harunori Hirao
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Apparatus and method for preparation and supply of polymerization i...
Publication number
20030095471
Publication date
May 22, 2003
Kei Hamamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for producing (meth)acrylic acid
Publication number
20030065215
Publication date
Apr 3, 2003
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for production of organic acid
Publication number
20030045749
Publication date
Mar 6, 2003
Takeshi Nishimura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for decomposition of michael type adduct
Publication number
20030028051
Publication date
Feb 6, 2003
Fumio Shibusawa
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Perforated tray column without downcomer
Publication number
20030019737
Publication date
Jan 30, 2003
Yukihiro Matsumoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Column treating process and apparatus therefor
Publication number
20020189927
Publication date
Dec 19, 2002
NIPPON SHOKUBAI CO., LTD.
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for production of unsaturated carboxylic ester
Publication number
20020169338
Publication date
Nov 14, 2002
Kazuto Okazaki
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Apparatus and process for producing (meth)acrylic acid
Publication number
20020165407
Publication date
Nov 7, 2002
Sei Nakahara
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for distilling (meth) acrylic acid solution
Publication number
20020134660
Publication date
Sep 26, 2002
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Storing device for easily polymerizable and coagulating liquid subs...
Publication number
20020014265
Publication date
Feb 7, 2002
Kenji Nakahara
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Apparatus for treatment of waste gas
Publication number
20020006593
Publication date
Jan 17, 2002
Kazuto Okazaki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for preventing polymerization of (meth) acrylic acid and est...
Publication number
20020002253
Publication date
Jan 3, 2002
Kazuhiko Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for starting up reactor and reactor system
Publication number
20010024630
Publication date
Sep 27, 2001
Yukihiro Matsumoto
C07 - ORGANIC CHEMISTRY