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. 21, 2017
Filed:
Jan. 08, 2016
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Tomoyuki Fujita, Tokyo, JP;
Koichi Murata, Tokyo, JP;
Naoko Shirota, Tokyo, JP;
Yusuke Suzuki, Tokyo, JP;
Daisuke Jomuta, Tokyo, JP;
ASAHI GLASS COMPANY, LIMITED, Chiyoda-ku, JP;
Abstract
The present invention relates to a method for producing an unsaturated-acid ester or an unsaturated acid, containing a step of reacting a compound (1) represented by the following formula (1) with a compound represented by the following formula (2) (excluding the compound (1)) in the presence of a Lewis acid catalyst at a temperature of the boiling point of the compound (1) or higher and 350° C. or lower, thereby obtaining products including a compound represented by the following formula (3): (in formula (1) and formula (3), R, Rand Reach independently may be hydrogen atom or an alkyl group, Rand Reach independently are hydrogen atom or a deuterium atom, and X is a halogen atom; in formula (2) and formula (3), Rmay be hydrogen atom, an alkyl group or an aryl group, and Ris hydrogen atom or a deuterium atom).