Antithrombogenic, non-calcifying material and method of making articles for medical purposes

US4996054A · kind A · utility

Assignee

• BEIERSDORF AG · DE

Inventors

• Hanns Pietsch · Hamburg, DE
• Holger Kartheus · Hamburg, DE
• Hans-Joachim Holtzmann · Hamburg, DE
• Gunther Sachau · Norderstedt, DE
• Helmut Reul · St. Blasien, DE

Key dates

• Filing date: Oct 19, 1988
• Grant date: Feb 26, 1991
• Expiry date: Oct 19, 2008

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S623/90
• WIPO field: Medical technology
• WIPO sector: Instruments

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.