Thermoplastic polyurethane anticoagulant alloy coating

Details Thermoplastic polyurethane anticoagulant alloy coating Thermoplastic polyurethane anticoagulant alloy coating

1984-12-07

1987-06-30

Kight, John

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

424423, 514 24, 514 56, 514822, 514929, 523112, 128DIG22, 604304, C08L 510, A61K 3175

Patent

active

046769757

ABSTRACT:
An antithrombogenic thermoplastic polyurethane product and process for preparing the same which comprises a substrate and at least one layer of a polyurethane alloy complex comprising a thermoplastic polyurethane and completely dispersed therein a preformed complex of an antithrombogenic material ionically bonded with a quaternary ammonium compound.

REFERENCES:
patent: 3457098 (1969-07-01), Leininger et al.
patent: 3617344 (1971-11-01), Leininger et al.
patent: 3844989 (1974-10-01), Harumuya
patent: 3846353 (1974-11-01), Grotta
patent: 3853804 (1974-12-01), Yen
patent: 4118485 (1978-10-01), Eriksson et al.
patent: 4302368 (1981-11-01), Dudley et al.
patent: 4349467 (1982-09-01), Williams et al.
Larm et al, "New N.m. Thrombogenic Surface Prepared by Selective Covalent Binding of Heparin . . . ", Biomat., Med Dev., Art., Org. 11 (283), pp. 161-173 (1983).
Grode, G. A. et al., J. Biomed. Mat. Res. Symp. No. 3, pp. 77-84, (1972).

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