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:
Feb. 26, 1991
Filed:
Oct. 19, 1988
Applicant:
Inventors:
Hanns Pietsch, Hamburg, DE;
Holger Kartheus, Hamburg, DE;
Hans-Joachim Holtzmann, Hamburg, DE;
Gunther Sachau, Quickborn, DE;
Helmut Reul, Duren, DE;
Assignee:
Beiersdorf Aktiengesellschaft, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
424422 ; 424423 ; 523112 ; 623-1 ; 623-2 ; 623-3 ; 623 12 ; 623 24 ;
Abstract
An antithrombogenic, non-calcifying, and elastic material on a basis of polyurethane, characterized by the addition of fatty-acid esters and optionally by the further addition of cross-linking agents that react with water.