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:
Sep. 25, 2001
Filed:
May. 18, 1999
Applicant:
Inventors:
Allan T. Worm, North St. Paul, MN (US);
Nikolai Vladimirovich Veretennikov, Saint-Petersburg, RU;
Margarita Alekseevna Volkova, Saint-Peterburg, RU;
Sergey Vasilievich Sokolov, Saint Petersburg, RU;
Assignee:
Dyneon LLC, Oakdale, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
C08F / ;
Abstract
A fluorocarbon polymer which includes: repeating units derived from one or more perfluorinated ethers of the formula CF,═CFO—(CF,),—(O(CF,),),—OR,wherein R,is a perfluorinated (C,-C,)alkyl group, m=1-4, n=0-6, and p=1-2; and repeating units derived from vinylidene fluoride; wherein the polymer has a glass transition temperature of −50° C. or lower and an oxygen to carbon ratio of at least about 0.2.