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:
Aug. 02, 1983
Filed:
Mar. 22, 1982
Applicant:
Inventor:
John G Schaffhausen, Aurora, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549255 ; 562595 ;
Abstract
A process for the production of a substituted alpha, beta dicarboxylic acid compound substantially free of tar and other resinous reaction byproducts comprising the reaction of an ethylenically unsaturated long chain compound having at least 10 carbon atoms and an ethylenically unsaturated alpha, beta dicarboxylic acid compound at conditions favoring the ENE reaction in the presence of a catalytically effective amount of an alkyl aluminum halide.
Schaffhausen, John. (1983). Use of a catalyst to inhibit formation of tar during the 'ene' reaction (U.S. Patent No. 4396774). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4396774
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile