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:
Jan. 15, 2013
Filed:
Mar. 24, 2009
Applicants:
Sundar Kilnagar Venkataraman, Avondale, PA (US);
Robert Thomas Young, Newark, DE (US);
Inventors:
Sundar Kilnagar Venkataraman, Avondale, PA (US);
Robert Thomas Young, Newark, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses a foamable composition. The foamable composition includes a partially-crystalline melt processible perfluoropolymer and a foam nucleating package. The foamable composition has a uniform foam cell size where the foam cell size of at least 90% of the foamed cells is 50 micrometers or less. The foam nucleating package ranges from 0.1 to 10 wt % of the combined weight of the perfluoropolymer and the foam nucleating package.