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Toyofumi Sakai
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Himeji-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing (meth)acrylic acid
Patent number
10,919,834
Issue date
Feb 16, 2021
Nippon Shokubai Co., Ltd.
Yuki Kase
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing acrylic acid
Patent number
10,239,815
Issue date
Mar 26, 2019
Nippon Shokubai Co., Ltd.
Toyofumi Sakai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyacrylic acid (salt) water-absorbing resin and manufacturing met...
Patent number
9,320,822
Issue date
Apr 26, 2016
Nippon Shokubai Co., Ltd.
Satoshi Matsumoto
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for producing (meth)acrylic acid
Patent number
9,029,599
Issue date
May 12, 2015
Nippon Shokubai Co., Ltd.
Takashi Miyamoto
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
Process for producing (meth) acrylic acid
Patent number
7,368,602
Issue date
May 6, 2008
Nippon Shokubai Co., Ltd.
Toyofumi Sakai
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING COMPOUND
Publication number
20240025835
Publication date
Jan 25, 2024
Nippon Shokubai Co., Ltd.
Hiroki WADA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PURIFYING COMPOUND
Publication number
20240010599
Publication date
Jan 11, 2024
Nippon Shokubai Co., Ltd.
Shogo ARAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PURIFICATION DEVICE
Publication number
20240010600
Publication date
Jan 11, 2024
Nippon Shokubai Co., Ltd.
Shogo ARAI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING (METH)ACRYLIC ACID
Publication number
20200181056
Publication date
Jun 11, 2020
NIPPON SHOKUBAI CO., LTD
Yuki KASE
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING ACRYLIC ACID
Publication number
20180022680
Publication date
Jan 25, 2018
Nippon Shokubai Co., Ltd.
Toyofumi SAKAI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYACRYLIC ACID (SALT) WATER-ABSORBING RESIN AND MANUFACTURING MET...
Publication number
20150011388
Publication date
Jan 8, 2015
NIPPON SHOKUBAI CO., LTD
Satoshi Matsumoto
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR PRODUCING (METH)ACRYLIC ACID
Publication number
20140066652
Publication date
Mar 6, 2014
NIPPON SHOKUBAI CO., LTD
Takashi MIYAMOTO
C07 - ORGANIC CHEMISTRY
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
Process for producing (meth) acrylic acid
Publication number
20070173667
Publication date
Jul 26, 2007
Toyofumi Sakai
C07 - ORGANIC CHEMISTRY