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:
May. 02, 2017
Filed:
Feb. 25, 2016
The Chemours Company Fc, Llc, Wilmington, DE (US);
Ming Hong Hung, Wilmington, DE (US);
Alexander Anthony Marchione, Haddon Heights, NJ (US);
Peter A. Morken, Wilmington, DE (US);
THE CHEMOURS COMPANY FC, LLC, Wilmington, DE (US);
Abstract
The process is provided for forming the reaction product comprising the homologue mixture of I(CF)I, wherein n is 3 to 7, which may contain at least one of the contaminants ICFI and I(CF)I, by the steps comprising (a) reacting iodine with hexafluoropropylene oxide at a temperature of 150° C. to 210° C. in a reactor, the amount of said hexafluoro-propylene oxide being a portion of the total amount of hexafluoropropylene oxide to be reacted with said iodine, thereby forming a reaction product containing gaseous perfluoroacetyl fluoride as a reaction by-product, (b) cooling said reaction product to become liquid except for said gaseous perfluoroacetyl fluoride, (c) venting said perfluoroacetyl fluoride from said reactor, and (d) repeating said steps (a), (b), and (c) until said total amount of said HFPO is reacted with said iodine.