Method for the preparation of hydrophilic gels by monomer castin

Details Method for the preparation of hydrophilic gels by monomer castin Method for the preparation of hydrophilic gels by monomer castin

1984-04-06

1985-08-13

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Rotational molding

264 11, 264 23, 264311, 26433118, 264337, 523106, 525937, B29D 1100

Patent

active

045349169

ABSTRACT:
Hydrogels, e.g. hydrogel contact lens are prepared by casting, preferably spin casting, hydrophilic gels in a plastic mold, preferably polypropylene in the presence of a surface active agent.

REFERENCES:
patent: 2542386 (1951-02-01), Beattie
patent: 3171869 (1965-03-01), Weinberg
patent: 3944637 (1976-03-01), Bond et al.
patent: 4146696 (1979-03-01), Bond et al.
patent: 4468184 (1984-08-01), Rawlings

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