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. 27, 2004
Filed:
Aug. 28, 2001
Applicant:
Inventors:
Gunter Kolmschlag, Altötting, DE;
Armin Steurer, Tittmoning, DE;
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 3/00 ;
U.S. Cl.
CPC ...
H01B 3/00 ;
Abstract
The preparation, processing and use of foamed polytetrafluoroethylene is described. Extrusion of polytetrafluoroethylene with a foaming agent gives a product which can be used in the electrical industry, in the chemical industry or in chemical or plant engineering. The advantage over other processes is that the product can be prepared in a simple manner. Possible application sectors are cables, coaxial cables, gaskets, filters, filter screens, membranes and absorbers.