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. 08, 1989
Filed:
Jul. 11, 1988
Applicant:
Inventors:
Assignee:
Rhone-Poulenc Chimie, Courbevoie, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
549308 ; 549281 ; 549300 ; 549324 ; 568303 ; 568308 ; 568319 ; 568335 ; 568354 ; 568376 ; 568380 ; 568381 ; 568397 ; 568416 ; 568419 ; 568647 ; 568683 ; 568700 ; 568812 ; 568822 ; 568838 ; 568839 ; 568842 ;
Abstract
A process for the preparation of perfluoroalkylated ketones and/or perfluoroalkylated alcohols, comprising the step of contacting a perfluoroalkyl iodide or perfluoroalkyl bromide with an acid anhydride, in the presence of a metal chosen from zinc and cadmium.
Tordeux, Marc. (1989). Process for perfluoroalkylation of acid anhydrides (U.S. Patent No. 4855460). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4855460
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile