Copolymers and hydrogels: process and articles made thereof

Details Copolymers and hydrogels: process and articles made thereof Copolymers and hydrogels: process and articles made thereof

1981-05-20

1983-08-30

Wong, Jr., Harry

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

351160R, 351160H, 523106, 525384, 525387, 526 75, 526239, 526266, 526269, 526270, 526273, 526301, 526309, 526314, 526320, C08F22012, C08F22020

Patent

active

044017979

ABSTRACT:
Copolymers having improved machining and water resistant properties are produced using a monomer containing an adduct protecting group, particularly an alkyl boronic acid adduct, of glyceryl acrylate or glyceryl methacrylate, in combination with an alkyl acrylate or methacrylate, and optionally a glycidyl acrylate or methacrylate. After machining and shaping, the adduct is removed to provide a hydrogel useful as a contact lens material.

REFERENCES:
patent: 2680735 (1954-06-01), Fegley et al.
patent: 2877215 (1959-03-01), Fang
patent: 2967173 (1961-01-01), Fang
patent: 2979514 (1961-04-01), O'Brien et al.
patent: 4056496 (1971-11-01), Mancini et al.

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