Process for putting a hydrophilic coating on a hydrophobic conta

Details Process for putting a hydrophilic coating on a hydrophobic conta Process for putting a hydrophilic coating on a hydrophobic conta

1976-10-28

1979-03-13

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

427 41, 427164, G02C 704

Patent

active

041439490

ABSTRACT:
The surface of a contact lens is modified by deposition of an ultrathin coating of a hydrophilic polymer under the influence of plasma glow discharge so as to integrally bond the coating to the surface of the hydrophobic lens thereby effecting a hydrophilic lens.

REFERENCES:
patent: 3068510 (1962-12-01), Coleman
patent: 3389012 (1968-06-01), Hamm
patent: 3700573 (1972-10-01), Laizier et al.
patent: 3808178 (1974-04-01), Gaylord
patent: 3900250 (1975-08-01), Ivani
patent: 3916033 (1975-10-01), Merrill
patent: 3943045 (1976-03-01), Cordrey et al.
patent: 3950315 (1976-04-01), Cleaver
Yasuda et al., "Graft Copolymerization of Vinylpyrrolidone onto Polydimethylsiloxane," J. of Polymer Science: Part A, vol. 2, pp. 5093-5098, (1964).
Yasuda et al., "Ultrathin Coating by Plasma Polymerization Applied to Corneal Contact Lens," J. Biomed. Mater. Res., vol. 9, 1975, pp. 629-643.
"Gas Phase Polymerization," Plastics Technology, vol. 10, Feb. 1964, pp. 9-11.

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