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:
May. 16, 2000
Filed:
Nov. 03, 1998
Applicant:
Inventors:
Ulrike Licht, Mannheim, DE;
Karl Haberle, Speyer, DE;
Peter Claassen, Ludwigshafen, DE;
Albrecht Seher, Ludwigshafen, DE;
Karl-Heinz Schumacher, Neustadt, DE;
Hermann Seyffer, Heidelberg, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B32B / ; B32B / ; B32B / ; D06N / ;
U.S. Cl.
CPC ...
4284231 ; 427-231 ; 428 76 ; 428142 ; 428195 ; 602 45 ; 602 52 ;
Abstract
A process for producing sterile nonwovens comprises a textile fabric composed of a fiber web being impregnated with an aqueous dispersion comprising a polyurethane, then dried and irradiated with .gamma.-rays.