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. 28, 2017
Filed:
Dec. 09, 2011
Zai-ming Qiu, Woodbury, MN (US);
Gregg D. Dahlke, St. Paul, MN (US);
Tatsuo Fukushi, Woodbury, MN (US);
Werner M. Grootaert, Oakdale, MN (US);
Miguel A. Guerra, Woodbury, MN (US);
Zai-Ming Qiu, Woodbury, MN (US);
Gregg D. Dahlke, St. Paul, MN (US);
Tatsuo Fukushi, Woodbury, MN (US);
Werner M. Grootaert, Oakdale, MN (US);
Miguel A. Guerra, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Described herein is a composition comprising a fluorinated polysulfinic acid or a salt thereof having the following formula (I): wherein X, X, and Xare independently selected from H, F, Cl, Br, I, CF, and CHand wherein at least one of X, X, or Xis H; Ris a linking group; Zand Zare independently selected from Br, Cl, I, F, CF, and a perfluorinated alkyl group; M is a cation; p is 0 or 1; and n is at least 2. Also described is a method of making the partially fluorinated polysulfinic acid or salt thereof.