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:
Jul. 29, 2014
Filed:
Dec. 06, 2006
Daniel R. Vitcak, Cottage Grove, MN (US);
Richard M. Flynn, Mahtomedi, MN (US);
Michael G. Costello, Afton, MN (US);
Daniel R. Vitcak, Cottage Grove, MN (US);
Richard M. Flynn, Mahtomedi, MN (US);
Michael G. Costello, Afton, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A hydrofluoroether compound comprises at least one five- or six-membered, perfluorinated heterocyclic ring, each ring comprising four or five ring carbon atoms and one or two catenated heteroatoms selected from divalent ether oxygen atoms and trivalent nitrogen atoms, at least one of the catenated heteroatoms being a divalent ether oxygen atom, and each of the ring carbon atoms adjacent to the divalent ether oxygen atom bearing a fluorochemical group that comprises a tetrafluoroethylidene moiety (—(CF)CF—) that is directly bonded to the ring carbon atom, the fluorochemical group optionally comprising at least one catenated heteroatom selected from divalent ether oxygen atoms and trivalent nitrogen atoms.