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. 23, 2010
Filed:
Jun. 13, 2008
Werner M. A. Grootaert, Oakdale, MN (US);
Eric W. Adair, Hugo, MN (US);
Miguel A. Guerra, Woodbury, MN (US);
Werner M. A. Grootaert, Oakdale, MN (US);
Eric W. Adair, Hugo, MN (US);
Miguel A. Guerra, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A curative composition comprising a cation and an anion of the formula AQ, wherein m, n, p, and q are positive integers, wherein m*p=n*q, wherein Qis an organo onium, and Ais an anion, provided that at least one Ais selected from the formula: wherein each R independently is H, halo, alkyl, aryl, aralkyl, or cycloalkyl, and which also may be halogenated, fluorinated, or perfluorinated, wherein two or more of R and R' groups may together form a ring, wherein each R group independently may contain one or more heteroatom(s), wherein R′ can be the same as R, with the proviso that R′ cannot be halo. Also provided are a fluoropolymer composition including this curative, a method of making a fluoropolymer, and fluoropolymer articles containing curable or cured fluoropolymer compositions.