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:
Oct. 18, 2005
Filed:
Feb. 14, 2003
Werner M. A. Grootaert, Oakdale, MN (US);
Eric W. Adair, Hugo, MN (US);
Werner M. A. Grootaert, Oakdale, MN (US);
Eric W. Adair, Hugo, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Provided is a composition comprising a fluoropolymer comprising interpolymerized units derived from a nitrile cure site monomer, and an amino-substituted aromatic curative compound having at least one substituent other than hydrogen, wherein the net effect of the substituent(s) is not electron withdrawing, the curative has a pKa above about 12, the compound may contain one or more heteroatom(s) provided that no heteroatom directly bonded to a hydrogen is in the position ortho to the amino group, and one or more substituents may together form a ring, which ring may be aromatic and may include one or more heteroatoms(s). Also provided are the reaction products of the fluoropolymer and the curative described, cured articles, and a method of making the fluoropolymer compositions and articles.