| Patent | Date |
|---|
Process for producing (meth)acrolein and/or (meth)acrylic acid
Grant 7,217,836 - Watanabe , et al. May 15, 2 | 2007-05-15 |
Plastic optical fiber, optical fiber cable, optical fiber cable with plug, method for producing methyl methacrylate based polymer and method for producing plastic optical fiber
Grant 7,098,281 - Mizota , et al. August 29, 2 | 2006-08-29 |
Method for producing methacrylic acid
Grant 6,969,774 - Watanabe , et al. November 29, 2 | 2005-11-29 |
Process for producing methacrylic acid
Grant 6,930,201 - Watanabe , et al. August 16, 2 | 2005-08-16 |
Plastic optical fiber, optical fiber cable, optical fiber cable with plug, method for producing methyl methacrylate based polymer and method for producing plastic optical fiber
App 20040197069 - Mizota, Hirotoshi ; et al. | 2004-10-07 |
Process for producing (meth)acrolein and/or (meth)acrylic acid
App 20040171874 - Watanabe, Seigo ; et al. | 2004-09-02 |
Plastic optical fiber, optical fiber cable, optical fiber cable with plug, method for producing methyl methacrylate based polymer and method for producing plastic optical fiber
Grant 6,777,083 - Mizota , et al. August 17, 2 | 2004-08-17 |
Process for producing methacrylic acid
App 20040073062 - Watanabe, Seigo ; et al. | 2004-04-15 |
Decreasing method of N-oxyl compound
Grant 6,710,204 - Tokuda , et al. March 23, 2 | 2004-03-23 |
Decreasing method of N-oxyl compound
App 20030078425 - Tokuda, Masanori ; et al. | 2003-04-24 |
Method for producing methacrylic acid
App 20030004374 - Watanabe, Seigo ; et al. | 2003-01-02 |
Process for producing a carboxylic acid ester by reacting an aldehyde and an alcohol using a palladium type catalyst
Grant 6,348,619 - Yoshida , et al. February 19, 2 | 2002-02-19 |
Method for packing with catalyst for synthesis of unsaturated aldehyde and unsaturated carboxylic acid
Grant 5,892,108 - Shiotani , et al. April 6, 1 | 1999-04-06 |
Catalyst used in production of carboxylic acid esters and process for producing these esters
Grant 5,892,102 - Mikami , et al. April 6, 1 | 1999-04-06 |
Carrier-supported catalyst for the synthesis of unsaturated aldehydes and unsaturated carboxylic acids and process for preparing the same
Grant 5,532,199 - Watanabe , et al. July 2, 1 | 1996-07-02 |
Process for preparing catalysts used for production of methacrolein and methacrylic acid
Grant 5,250,485 - Kuroda , et al. October 5, 1 | 1993-10-05 |
Preparation of catalysts for producing methacrolein and methacrylic acid
Grant 5,166,119 - Oh-Kita , et al. November 24, 1 | 1992-11-24 |
Process for preparing catalyst for producing methacrylic acid and catalyst prepared by process
Grant 5,126,307 - Yamamoto , et al. June 30, 1 | 1992-06-30 |
Process for preparing catalysts for producing methacrylic acid
Grant 5,102,846 - Kuroda , et al. April 7, 1 | 1992-04-07 |
Process for the preparation of unsaturated carboxylic acids
Grant 4,968,838 - Oh-Kita , et al. November 6, 1 | 1990-11-06 |
Process for the preparation of catalyst used in the production of unsaturated carboxylic acids
Grant 4,891,347 - Oh-Kita , et al. January 2, 1 | 1990-01-02 |
Process for the production of methacrolein and methacrylic acid
Grant 4,816,603 - Oh-Kita , et al. March 28, 1 | 1989-03-28 |
Process for producing methacrylic acid
Grant 4,804,778 - Oh-Kita , et al. February 14, 1 | 1989-02-14 |
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