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:
Sep. 29, 1998
Filed:
Aug. 01, 1996
Applicant:
Inventors:
Phillip A Branca, Hockessin, DE (US);
Daniel E Hubis, Elkton, MD (US);
Wolfgang Buerger, Munich, DE;
Christiane Rudolf, Erding, DE;
Ralf Tillmanns, Pleinfeld-Ramsberg, DE;
Assignees:
W. L. Gore & Associates, Inc., Newark, DE (US);
W. L. Gore & Associates, GmbH, Putzbrunn, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B32B / ; D04H / ;
U.S. Cl.
CPC ...
42831151 ; 264127 ; 2642107 ; 2642888 ; 4283155 ;
Abstract
Microporous membranes are described and characterized as having a morphological microstructure of very highly elongated nodes interconnected by fibrils which form a structural network of voids or pores through the spaces between the nodes and fibrils, which voids or pores extend from one side of the membrane to the other. The membranes are highly uniform in terms of mass per volume, have very high strength and a very open microstructure.