Polyurethane fixed dressings which harden in the presence of moisture

US4572171A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Christian Wegner · Cologne, DE
• Gottfried Schneider · Stuttgart, DE
• Wolfram Mayer · Odenthal, DE

Key dates

• Filing date: Mar 17, 1983
• Grant date: Feb 25, 1986
• Expiry date: Mar 17, 2003

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D10B2509/024
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

In a dressing material for the production of fixed dressings, comprising a raschel knit fabric carrier coated and/or impregnated with a resin which hardens in the presence of moisture and contains isocyanate groups, the improvement wherein the raschel fabric construction is such that the ratio of the mean distance between two warp threads to the mean distance between two weft threads is less than about 1.5.