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US 4,600,652 AGranted
Permanently bonded antithrombogenic polyurethane surface
AssigneeWarner-Lambert Company
InventorsDonald D. Solomon, Charles W. McGary, Vincent J. Pascarella
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Abstract
An antithrombogenic polyurethane polymer being bound to a support substrate wherein the antithrombogenic agent is reacted through an aldehyde group with an amine functionality of a polyurethane-urea to form the covalently bonded antithrombogenic material.
Claims7
An antithrombogenic polyurethane polymer, which comprises:
- a. a support substrate;
- b. a protonated amine rich polyurethane-urea bonded to said support substrate;
- c. an aldehyde containing antithrombogenic agent reacted through the aldehyde group with the amine functionality of said polyurethane-urea to form a covalently bonded antithrombogenic material.
Dependencies are inferred from the claim text.