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:
Feb. 22, 1994
Filed:
Jul. 26, 1993
Applicant:
Inventors:
Emilio E Bunel, Wilmington, DE (US);
Chen-Chou Chiang, Hockessin, DE (US);
Michael B D'Amore, Wilmington, DE (US);
Erik J Schaumann, Wilmington, DE (US);
Leon S Scott, Wilmington, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562598 ; 562600 ; 549-3 ; 549 28 ;
Abstract
Preparation of 3-pentenoic acid by the reaction of 3-pentenoylchloride, water and butadiene. 3-chloro-1-butene and 1-chloro-2-butene are also formed. Preferably the 3-pentenoylchloride is formed by the reaction of chlorobutene with carbon monoxide using a palladium catalyst.
Quick Actions:
Bunel, Emilio. (1994). Preparation of 3-pentenoic acid and a catalyst therefore (U.S. Patent No. 5288903). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5288903
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile