The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 2005
Filed:
Mar. 10, 2003
Fumio Shibusawa, Hyogo, JP;
Naoki Serata, Himeji, JP;
Kazuhiko Sakamoto, Kobe, JP;
Nippon Shokubai Co., LTD, Osaka, JP;
Abstract
A method for the decomposition of a Michael type adduct of an acrylic acid and/or an acrylic ester represented by the following formula [I] or [II] is disclosed, wherein decomposing the Michael type adduct in the presence of at least one copper salt and at least one metal salt selected from the group consisting of an alkali metal salt and an alkaline earth metal salt into an acrylic acid and/or an acrylic ester and/or an alcohol.CH═CHCOO(—X—COO)—R  [I]R—O(—X—COO)—R  [II](wherein n and m denote an integer in the range of 1-5, R, R, and Rindependently denote a hydrogen atom or an alkyl group, and —X— denotes —CHCH— or —CH(CH)—, and —X— may be identical or different when n is 2 or more).