Charles R Teschemacher

US Patent:

41090748, Aug 22, 1978

Filed:

Dec 13, 1976

Appl. No.:

5/749774

Inventors:

Charles P. Creighton - Alden NY
Charles R. Teschemacher - Buffalo NY

Assignee:

Alden Optical Laboratories, Inc. - Alden NY

International Classification:

C08F12020
G02C 702
G02C 704

US Classification:

526320

Abstract:

A process for preparing a hydrophilic water insoluble acrylic polymer by heating a composition consisting essentially of a compound having the generic formula ##STR1## wherein --R. sub. 1 is --H, --CH. sub. 3, or --CH. sub. 2 CH. sub. 3 and --R. sub. 2 is a lower alkyl radical containing at least one hydroxy group, said composition being essentially free from polymerization catalysts and initiators; the polymer resulting from the process and articles including contact lens blanks and contact lenses manufactured from the polymer.