Oxygen permeable hard contact lens formed from styrene monomer c

Details Oxygen permeable hard contact lens formed from styrene monomer c Oxygen permeable hard contact lens formed from styrene monomer c

1984-12-27

1986-06-10

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

523107, C08F 3008, C08F13008, C08F23008

Patent

active

045944016

ABSTRACT:
An oxygen permeable hard contact lens having an improved oxygen permeability and an improved hardness and rigidity and an improved refractive index, made of a polymer comprising a styrene containing a silyl or siloxanyl group having at most 15 silicon atoms.

REFERENCES:
patent: 2982757 (1961-05-01), Lewis
patent: 4153641 (1979-05-01), Deichert et al.
patent: 4424328 (1984-01-01), Ellis

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