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. 29, 2020
Filed:
Feb. 22, 2016
3m Innovative Properties Company, St. Paul, MN (US);
Florian D. Jochum, Neuotting, DE;
Klaus Hintzer, Kastl, DE;
Kai Helmut Lochhaas, Neuotting, DE;
Harald Kaspar, Burgkirchen, DE;
Tilman C. Zipplies, Burghausen, DE;
Helmut Traunspurger, Julbach, DE;
3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);
Abstract
Curable fluoropolymer containing repeating units derived from VDF and TFE and at least one other fluorinated comonomer and further containing —CFCHI end groups and branching sites derived from one or more perfluorinated bisolefinic ether(s) used as modifier(s), wherein the one or more perfluorinated bisolefinic ether(s) used as modifier(s) correspond to the general formula: CF═CF—(CF)—O—(R)—O—(CF)CF═CFwherein n and m are independent from each other either 1 or 0 and wherein Rrepresents a perfluorinated linear or branched, cyclic or acyclic aliphatic or aromatic hydrocarbon residue that may be interrupted by one or more oxygen atoms and comprises up to 30 carbon atoms. Further provided are methods of making the curable fluoropolymers and for making an article containing the curable polymers.