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. 09, 1990
Filed:
Jul. 06, 1988
Applicant:
Inventors:
Robert L Henn, Newark, DE (US);
Dilip J Sakhpara, Newark, DE (US);
Christian E Bailey, Port Deposit, MD (US);
John J Bowser, Newark, DE (US);
Peter L Brown, Elkton, MD (US);
Assignee:
W. L. Gore & Associates, Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428196 ; 2DIG / ; 128849 ; 428246 ; 428247 ; 428253 ; 428284 ; 428286 ; 428290 ; 4283159 ; 428422 ; 4284231 ; 604382 ;
Abstract
A coated product is provided that is comprised of a substrate and a coating comprised of a microporous scaffold material having a high void volume and open, interconnecting void microstructure, the scaffold material having a layer of a selected polyurethane thereon which extends in the voids. The coated product has good barrier properties with respect to bacteria, viruses, and air-borne particulate.