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:
May. 24, 2011
Filed:
Sep. 29, 2009
Sundar Kilnagar Venkataraman, Avondale, PA (US);
Ralph Munson Aten, Chadds Ford, PA (US);
Heidi Elizabeth Burch, Parkersburg, WV (US);
Sundar Kilnagar Venkataraman, Avondale, PA (US);
Ralph Munson Aten, Chadds Ford, PA (US);
Heidi Elizabeth Burch, Parkersburg, WV (US);
E.I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
Aqueous dispersions on non-melt flowable PTFE and melt-fabricable perfluoropolymer are mixed together, followed by recovery of the resultant mixture of the dispersed particles of each of these polymers, and melt mixing of the resultant mixture of particles to obtain a blend in which the PTFE particles form the disperse phase and the perfluoropolymer forms the continuous phase, the melt mixing producing advantageous melt viscosities and the blend exhibiting advantageous physical properties even at high PTFE contents of about 30 wt %.