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. 05, 2022
Filed:
May. 17, 2018
3m Innovative Properties Company, St. Paul, MN (US);
Klaus Hintzer, Kastl, DE;
Markus E. Hirschberg, Mühldorf, DE;
Romana Pajkert, Bremen, DE;
Gerd-Volker Röschenthaler, Bremen, DE;
Sergey N. Tverdomed, Bremen, DE;
3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);
Abstract
A method includes combining first components including at least one of CF═CF—CF—OSOCl or CF═CF—CF—OSOCF, a polyfluorinated compound having at least one ketone or carboxylic acid halide, and fluoride ion to provide a compound comprising at least one perfluorinated allyl ether group. A method includes combining second components including B(OSOCl)and hexafluoropropylene to provide CF═CF—CF—OSOCl. Another method includes combining second components including M(OSOCF)and hexafluoropropylene at a temperature above 0° C. to provide CF═CF—CF—OSOCF, wherein M is Al or B. The compound CF═CF—CF—OSOCl is also provided.