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:
May. 13, 1980
Filed:
Jan. 27, 1978
Applicant:
Inventors:
Assignee:
Mitsubishi Rayon Company, Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
560217 ; 560222 ;
Abstract
An ester of an unsaturated carboxylic acid is prepared by an ester exchange process which comprises reacting a lower alkyl ester of an unsaturated, 3-4 carbon atom carboxylic acid with a higher alcohol than the alcohol fragment of said lower alkyl ester over a catalyst selected from the group consisting of (1) chelate compounds of zirconium with .beta.-diketone or mixtures thereof, (2) chelate compounds of calcium with .beta.-diketone or mixtures thereof, and mixtures thereof by an ester exchange reaction.
Quick Actions:
Murakami, Fumiki. (1980). Process for producing unsaturated carboxylic acid esters (U.S. Patent No. 4202990). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4202990
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile