Keratoprosthetic polyurethane

Details Keratoprosthetic polyurethane Keratoprosthetic polyurethane

1980-02-11

1981-08-25

Frinks, Ronald L.

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Including plural heating steps

264 11, 528 79, A61F 116, A61F 124

Patent

active

042850738

ABSTRACT:
A reaction product of methylene diisocyanate, polytetramethylene ether glycol and ethylene oxide-capped trimethylol propane. The resulting polyurethane is optically clear and suitable for use as an artificial cornea, or a permanently implantable lens.

REFERENCES:
patent: 2714721 (1955-08-01), Stone
patent: 2754520 (1956-07-01), Crawford
patent: 2952023 (1960-09-01), Rosen
patent: 3454966 (1969-07-01), Rosen
patent: 3458870 (1969-08-01), Stone
patent: 3760045 (1973-09-01), Thiele et al.
patent: 3961379 (1976-06-01), Highgate
patent: 4002169 (1977-01-01), Cupler
patent: 4131604 (1978-12-01), Szycher

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