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:
Apr. 18, 2017
Filed:
Oct. 26, 2015
The Chemours Company Fc Llc, Wilmington, DE (US);
Stephen James Getty, Wilmington, DE (US);
George Murray Volker, Lumberton, TX (US);
Pelin Hacarlioglu, Philadelphia, PA (US);
THE CHEMOURS COMPANY FC, LLC, Wilmington, DE (US);
Abstract
An improved process for producing perfluoroalkyl iodides of formula (I)F(CFCF)—I  (I)wherein n is an integer from 2 to 3, wherein the improvement comprises thermolyzing at least one perfluoroalkyl iodide of formula (II), optionally in the presence of perfluoroethyl iodide, formula (III)F(CFCF)—I  (II)F(CFCF)—I  (III)wherein m is an integer greater than or equal to 4, and p is 1, wherein a) the molar ratio of formula (III) to formula (II) is less than 1.0, b) the residence time is from about 0.1 to about 10 seconds, and c) the temperature is from about 450° C. to about 500° C.