Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1991-12-09
1995-04-18
Bell, Janyce
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
427212, 427164, 427384, G02C 704, B05D 506
Patent
active
054082803
ABSTRACT:
The invention relates to a process for rendering contact lenses hydrophilic, which comprises treating a contact lens with a compound of formula I
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Database Abstract AN 82-70092E, Derwent, to Drake, N.J.
Schafer Horst
Seiferling Bernhard
Siegel Rolf
von der Haegen Harro M.
Bell Janyce
Ciba-Geigy Corporation
McC. Roberts Edward
Meece R. Scott
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