Permeable polymethylmethacrylate contact lens

Details Permeable polymethylmethacrylate contact lens Permeable polymethylmethacrylate contact lens

1977-11-09

1978-08-29

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

260 334R, 351160, 526312, 526328, 521149, C08J 926

Patent

active

041102649

ABSTRACT:
A gas permeable contact lens concave-convex in form made of a transparent, optically clear polymethylmethacrylate.

REFERENCES:
patent: 3275548 (1966-09-01), Walters
patent: 3607793 (1971-09-01), Mahlman
patent: 3879515 (1975-04-01), Morita
Condensed Chemical-Dict., 8th Ed., p. 14.

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