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Takasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing catalyst for methacrylic acid production and...
Patent number
8,586,785
Issue date
Nov 19, 2013
NipponKayaku KabushikiKaisha
Atsushi Sudo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for producing methacrylic acid and preparation method thereof
Patent number
7,825,061
Issue date
Nov 2, 2010
Nippon Kayaku Kabushiki Kaisha
Atsushi Sudo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for methacrylic acid production, coated catalyst, and proc...
Patent number
6,812,188
Issue date
Nov 2, 2004
Nippon Kayaku Kabushiki Kaisha
Yoshimasa Seo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst process of making
Patent number
6,762,148
Issue date
Jul 13, 2004
Nippon Kayaku Kabushiki Kaisha
Junzo Ohishi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalysts and process for the preparation thereof
Patent number
5,959,143
Issue date
Sep 28, 1999
Nippon Kayaku Kabushiki Kaisha
Hideki Sugi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for regeneration of catalysts
Patent number
5,716,895
Issue date
Feb 10, 1998
Nippon Kayaku Kabushiki Kaisha
Hideki Sugi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for producing methacrylic acid
Patent number
4,745,217
Issue date
May 17, 1988
Nippon Kayaku Kabushiki Kaisha
Mutsumi Matsumoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for use in a methacrylic acid process
Patent number
4,530,916
Issue date
Jul 23, 1985
Nippon Kayaku Kabushiki Kaisha
Mutsumi Matsumoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing methacrylic acid
Patent number
4,467,113
Issue date
Aug 21, 1984
Nippon Kayaku Kabushiki Kaisha
Mutsumi Matsumoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing methacrylic acid and a catalyst
Patent number
4,273,676
Issue date
Jun 16, 1981
Nippon Kayaku Kabushiki Kaisha
Mutsumi Matsumoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for producing methacrylic acid
Patent number
4,172,051
Issue date
Oct 23, 1979
Nippon Kayaku Kabushiki Kaisha
Mutsumi Matsumoto
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Process For Producing Catalyst For Methacrylic Acid Production And...
Publication number
20120065427
Publication date
Mar 15, 2012
NIPPONKAYAKU KABUSHIKIKAISHA
Atsushi Sudo
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Catalyst And Method For Producing Unsaturated Aldehyde And Unsatura...
Publication number
20110137078
Publication date
Jun 9, 2011
Nippon Kayaku Kabushiki-Kaisha
Masaki Nakahara
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Catalyst for methacrylic acid and production and process for produc...
Publication number
20060154811
Publication date
Jul 13, 2006
Atsushi Sudo
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Catalyst for methacrylic acid production,coated catalyst, and proce...
Publication number
20040029724
Publication date
Feb 12, 2004
Yoshimasa Seo
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Catalyst
Publication number
20030109381
Publication date
Jun 12, 2003
Junzo Ohishi
C07 - ORGANIC CHEMISTRY