Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1993-01-19
1993-11-23
Schofer, Joseph L.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
351160H, G02C 704
Patent
active
052648788
ABSTRACT:
The present invention relates to novel polymers, to processes for the preparation thereof, to contact lenses consisting substantially of those polymers and to processes for the manufacture thereof and to the use of the novel polymers for the manufacture of contact lenses. The polymers according to the invention are especially the copolymerisation products of monomer mixtures comprising the following monomers:
REFERENCES:
patent: 4136250 (1979-01-01), Mueller et al.
patent: 4433125 (1984-02-01), Ichinohe et al.
patent: 4540761 (1985-09-01), Kawamura et al.
patent: 4661573 (1987-04-01), Ratkowski et al.
patent: 4748224 (1988-05-01), Novicky
patent: 4766189 (1988-08-01), Tsuetaki et al.
patent: 4769431 (1988-09-01), Ratkowski
patent: 4780515 (1988-10-01), Diechert
patent: 4996275 (1991-02-01), Ellis et al.
patent: 5032658 (1991-07-01), Baron et al.
Gruber Erich
Schafer Horst
Seiferling Bernhard
von der Haegen Harro M.
Ciba-Geigy Corporation
Hervey William G.
McC. Roberts Edward
Sarofim N.
Schofer Joseph L.
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