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. 20, 2008
Filed:
Jun. 09, 2004
Applicants:
Stephen E. Amos, Minneapolis, MN (US);
Klaus Hintzer, Kastl, DE;
Harald Kaspar, Burgkirchen, DE;
Claude Lavallée, London, CA;
Inventors:
Stephen E. Amos, Minneapolis, MN (US);
Klaus Hintzer, Kastl, DE;
Harald Kaspar, Burgkirchen, DE;
Claude Lavallée, London, CA;
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 83/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polymer melt additive that is suitable for use as a processing aid in the extrusion of a non-fluorinated polymer. The polymer melt additive composition includes a fluoropolymer that has a long chain branching index (LCBI) of at least 0.2 and a zero shear rate viscosity at 265° C. of not more than 10Pa's. The polymer melt additive may additionally include other compounds such as, polyoxyalkylene polymer or polycaprolactone.