Ionically coagulated hydrophilic polyelectrolyte contact lens

Details Ionically coagulated hydrophilic polyelectrolyte contact lens Ionically coagulated hydrophilic polyelectrolyte contact lens

1980-11-17

1983-10-11

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

204181F, 536 3, G02C 704

Patent

active

044088450

ABSTRACT:
Conformable hydrogel molds or forms are adapted for the casting of polyelectrolytic materials whereby an irreversibly gelled, three dimensional article faithfully reproduces the interior topography of the mold.

REFERENCES:
patent: 3349079 (1967-10-01), Freedman
patent: 3386921 (1968-06-01), Schweiger et al.
patent: 3556969 (1971-01-01), Mizuguchi et al.
patent: 3963662 (1976-06-01), Fujiwara et al.
patent: 4003792 (1977-01-01), Mill et al.
patent: 4043952 (1977-08-01), Ganslaw et al.
patent: 4168112 (1979-09-01), Ettis et al.
patent: 4223984 (1980-09-01), Miyata et al.
patent: 4268131 (1981-05-01), Miyata et al.

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