Patent · US Expired

Covalent attachment of anticoagulants and the like onto biomaterials

US5061750A · kind A · utility

30Cited by
4References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 18, 1990
Grant dateOct 29, 1991
Priority date
Expiry dateJul 18, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L33/0047
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A substrate for medical devices and a process for making the substrate is provided, the substrate having on at least part of its surface a blood-compatible surface produced by coupling a physiologically active substance to the surface. The physiologically active substance is one having an inhibitory effect on the formation of blood clots and/or is capable of breaking down blood clots formed. The physiologically active substance is bonded to a polyacid, and the polyacid is attached to the surface by a covalent bond.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.