Water-absorptive contact lens

Details Water-absorptive contact lens Water-absorptive contact lens

1993-09-10

1995-06-20

Reddick, Judy M.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523106, 525242, 525275, 525276, 525279, 525283, 525293, 525296, 525297, 525301, 525302, 525304, 525311, 525312, 525313, C08L 2900

Patent

active

054261333

ABSTRACT:
1. A water-absorptive contact lens obtained by saponification of a copolymer composed essentially of:

REFERENCES:
patent: 4727097 (1988-02-01), Kobayashi et al.
patent: 4745158 (1988-05-01), Nakashima et al.
patent: 4829126 (1989-05-01), Nakajima et al.
patent: 4921908 (1990-05-01), Ofstead
patent: 4978713 (1990-12-01), Goldenberg

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