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:
Feb. 03, 2015
Filed:
Jun. 05, 2008
Rudolf J. Dams, Antwerp, BE;
Steven J. Martin, Shoreview, MN (US);
Mark J. Pellerite, Woodbury, MN (US);
Chetan P. Jariwala, Woodbury, MN (US);
Gregory D. Clark, Silver Spring, MD (US);
Jason T. Petrin, Woodbury, MN (US);
Rudolf J. Dams, Antwerp, BE;
Steven J. Martin, Shoreview, MN (US);
Mark J. Pellerite, Woodbury, MN (US);
Chetan P. Jariwala, Woodbury, MN (US);
Gregory D. Clark, Silver Spring, MD (US);
Jason T. Petrin, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A polymeric or oligomeric composition comprising at least one first divalent unit represented by formula: and at least one of a second divalent unit comprising a pendant phosphonate group —P(O)(OY)or a monovalent unit comprising a thioether linkage and a terminal Z group, wherein each Z group is independently —P(O)(OY)or —O—P(O)(OY). Rf is a perfluoropolyether group. Q is a bond, —C(O)—N(R)—, or —C(O)—O—. R″, R'″, R and Rare each independently hydrogen and alkyl having from 1 to 4 carbon atoms. X is alkylene, arylalkylene, and alkylarylene, wherein alkylene, arylalkylene, and alkylarylene are each optionally interrupted by at least one ether linkage. Y is hydrogen, alkyl, trialkylsilyl, and a counter cation. Methods of treating a surface using these compositions and articles with a surface in contact with these compositions are provided. Methods of making these compositions are also provided.