Contact lenses containing hydrophilic silicone polymers

Details Contact lenses containing hydrophilic silicone polymers Contact lenses containing hydrophilic silicone polymers

1979-01-31

1981-04-14

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 291SB, 260 296TA, 260 296H, 260 296HN, 260 292M, 526227, 526264, 526279, 556450, C08F22028, C08F23008, C08F 3008, C08L 2902

Patent

active

042618754

ABSTRACT:
Homopolymers and copolymers of compounds according to the formula; ##STR1## wherein R is an alkyl having 1 to 3 carbons, a+b+c+d=e, b=0 to e, c=0 to e, b+c>1, d=0 to 5, e=1 to 100, and Y is an organic group containing at least one >C=C< are hydrophilic as well as exhibiting properties similar to silicone compounds. The polymers are particularly useful in contact lenses having enhanced oxygen permeability.

REFERENCES:
patent: 3655602 (1972-04-01), Sekmakas
patent: 4136250 (1979-01-01), Mueller et al.
patent: 4138382 (1979-02-01), Polmanteer
patent: 4139513 (1979-02-01), Tanaka et al.
patent: 4139692 (1979-02-01), Tanaka et al.
patent: 4153641 (1979-05-01), Deichert et al.
New Information Product "Silicone Polycarbinols" Dow Corning Corp. _

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