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:
Jun. 30, 1998
Filed:
Sep. 06, 1996
Walter Vladimir Cicha, Newark, DE (US);
Andreas Josef Kornath, Kamen, DE;
Ronald James McKinney, Wilmington, DE (US);
V N Rao, Wilmington, DE (US);
Joseph Stuart Thrasher, Tuscaloosa, AL (US);
Alfred Waterfeld, Tuscaloosa, AL (US);
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A process is disclosed for preparing a perfluoroalkyl sulfonate of the formula R.sub.a MX.sub.b-c O.sub.g �(SO.sub.3).sub.d (R.sub.f).sub.e !.sub.c. This process involves reacting a reagent of the fonnula R.sub.a MX.sub.b O.sub.g and a second reagent of the formula R'.sub.x E�(SO.sub.3).sub.d (R.sub.f).sub.e !.sub.y, where
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile