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:
Sep. 27, 2016
Filed:
Dec. 21, 2011
Klaus Hintzer, Kastl, DE;
Michael Juergens, Moenchengladbach, DE;
Gunther J. Kaempf, Altoetting, DE;
Harald Kaspar, Burgkirchen, DE;
Kai H. Lochhaas, Neuotting, DE;
Andre Streiter, Muehldorf am Inn, DE;
Oleg Shyshkov, Burgkirchen, DE;
Tilman C. Zipplies, Burghausen, DE;
Herbert Koenigsmann, Burgkirchen, DE;
Klaus Hintzer, Kastl, DE;
Michael Juergens, Moenchengladbach, DE;
Gunther J. Kaempf, Altoetting, DE;
Harald Kaspar, Burgkirchen, DE;
Kai H. Lochhaas, Neuotting, DE;
Andre Streiter, Muehldorf am Inn, DE;
Oleg Shyshkov, Burgkirchen, DE;
Tilman C. Zipplies, Burghausen, DE;
Herbert Koenigsmann, Burgkirchen, DE;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Described herein is a composition comprising an aqueous polymerization reaction product of fluorinated monomers and wherein the polymerization is initiated (i) in the absence of a fluorinated emulsifier and whereby no fluorinated emulsifier is added during polymerization or (ii) in the presence of an fluorinated emulsifier selected from: [R—O-L-COO-]X(I) wherein L represents a linear or branched, non-fluorinated, partially fluorinated, or fully fluorinated alkylene group, Rrepresents a linear or branched partially or fully fluorinated aliphatic group or a linear or branched partially or fully fluorinated aliphatic group interrupted with at least one oxygen atom, Xrepresents a cation having the valence i and i is 1, 2 or 3; wherein the reaction product and/or the resulting aqueous phase are substantially free of di- and tri-alkylamines and substantially free of low molecular weight fluoroorganic compounds and methods thereof.