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:
Dec. 25, 2012
Filed:
May. 21, 2008
Rudolf J. Dams, Antwerp, BE;
Michael S. Terrazas, Prescott, WI (US);
Rudolf J. Dams, Antwerp, BE;
Michael S. Terrazas, Prescott, WI (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Aqueous compositions comprising surfactant represented by a formula selected from the group consisting of:[R—(O)—CHF—(CF)—COO]X;{[R—(O)—CQH—CF—O]—R—COO}X;{[R—(O)—CQH—CF—O]—R—SO}X; and[CFCFH—O—(CF)—COO]X;wherein Rrepresents a partially or fully fluorinated aliphatic group optionally interrupted with at least one oxygen atom; Q is selected from the group consisting of F and CF; R is selected from the group consisting of alkylene and arylene; Xrepresents a cation having a valence i, wherein i is 1, 2 or 3; t is 0 or 1; m is 1, 2, or 3; n is 0 or 1; and p is an integer from 1 to 6. The aqueous composition comprises a non-fluorinated polymer and is essentially free of fluoropolymers. Methods of coating a surface and an article having a surface in contact with the composition are provided.