Patent · US Expired

Shaped bodies for use as implants in human medicine and method for the production of such shaped bodies

US6436136B1 · kind B1 · utility

14Cited by
3References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 2000
Grant dateAug 20, 2002
Priority date
Expiry dateApr 25, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G18/4241
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Implants are disclosed for use in humans having a rigidity comparable to human bone comprising polyurethane with hydrolysable ester linkages which are spaced apart to provide hydrolysis fragments which are sufficiently small to be resorbed in the human body, the polyurethane comprising a network polymer which is substantially free of urea groups. Methods for the production of such implants are also disclosed.

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