Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Internal tissues
Patent
1982-08-25
1983-09-06
Tungol, Maria Parrish
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Internal tissues
3 1, 3 14, 3 15, A61F 122
Patent
active
044026978
ABSTRACT:
Natural tissues fixed with a tanning solution such as glutaraldehyde and intended for implantation in humans, e.g., porcine heart valve prosthetic devices, are treated with a solution of a water soluble phosphate ester such as sodium dodecyl hydrogen phosphate to inhibit mineralization, particularly calcification, of the tissue after implantation.
REFERENCES:
patent: 3966401 (1976-06-01), Hancock et al.
patent: 4050893 (1977-09-01), Hancock et al.
patent: 4323358 (1982-04-01), Lentz et al.
Lentz David J.
Pollock Elisabeth M.
Extracorporeal Medical Specialties Inc.
Schuler Lawrence D.
Tungol Maria Parrish
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