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US 4,904,272 AGranted
Crosslinked polyurethane medical prosthesis
AssigneeEthicon, Inc.
InventorsIan P. Middleton, Jerzy Paprotny
Life of this patent
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Abstract
A fibrous polyurethane medical prosthesis wherein the polyurethane has been at least partially crosslinked with a haloalkylisocyanate.
Claims2
A polyurethane medical prosthesis which is an electrostatically spun product comprising a structure of fibrous polyurethane material wherein the polyurethane material in the individual fibers is at least partially crosslinked with the a vaporizable halo-alkylisocyanate,
- wherein there is substantially no crosslinking between the fibers.
The medical prosthesis of claim 2, wherein the halo-alkyl isocyanate is chloromethyl isocyanate.
Dependencies are inferred from the claim text.