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:
Oct. 13, 1998
Filed:
May. 09, 1997
Applicant:
Inventors:
Sundar Kilnagar Venkataraman, Vienna, WV (US);
Charles Winfield Stewart, Newark, DE (US);
Maurice Armand Baumann, Wilmington, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 79 ; 521 97 ; 521145 ; 264 50 ; 264 53 ;
Abstract
Fluoropolymer resin is extrusion foamed at low temperature using carbon dioxide as the foaming agent.