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:
Dec. 03, 2002
Filed:
Jun. 27, 2000
Denis Duchesne, Woodbury, MN (US);
Harald Kaspar, Burgkirchen, DE;
Lisa P. Chen, St. Paul, MN (US);
Klaus Hintzer, Woodbury, MN (US);
Attila Molnar, Vadnais Heights, MN (US);
Ludwig Mayer, Burgkirchen, DE;
Gernot Löhr, Burgkirchen, DE;
Dyneon LLC, Oakdale, MN (US);
Abstract
A fluoropolymer composition is provided. The polymer comprises interpolymerized units derived from (i) tetrafluoroethylene, (ii) vinylidene fluoride, (iii) at least one ethylenically unsaturated monomer of the formula CF ═CFR where R is a perfluoroalkyl or a perfluoroalkoxy of 1 to 8 carbon atoms, and (iv) a perfluorovinyl ether of the formula CF ═CF—(OCF CF(R )) OR′ where R is as described in (iii), R′ is a perfluoroaliphatic, preferably a perfluoroalkyl or a perfluoroalkoxy, of 1 to 8, preferably 1 to 3, carbon atoms, and a has a value of 0 to 3.