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:
Nov. 29, 2016
Filed:
Feb. 25, 2016
Applicant:
The Chemours Company Fc, Llc, Wilmington, DE;
Inventors:
Ming Hong Hung, Wilmington, DE;
Alexander Anthony Marchione, Haddon Heights, NJ (US);
Peter A. Morken, Wilmington, DE;
Assignee:
THE CHEMOURS COMPANY FC, LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 17/395 (2006.01); C07C 17/26 (2006.01); C07C 17/263 (2006.01); C07C 17/013 (2006.01); C07C 17/093 (2006.01);
U.S. Cl.
CPC ...
C07C 17/395 (2013.01); C07C 17/013 (2013.01); C07C 17/093 (2013.01); C07C 17/26 (2013.01); C07C 17/263 (2013.01);
Abstract
The present invention is the process comprising forming a stable mixture comprising I(CF)I, wherein n is at least 3 and at least one of I(CF)I, wherein n is 1 or 2, as a contaminant in said mixture and heating said mixture to a temperature of at least 220° C. to reduce the amount of said contaminant to be no greater than 1% when said contaminant is ICFI (n=1) and no greater than 0.1% when said contaminant is ICFCFI (n=2).