Mixtures of polyacrylate resins and siloxane carbonate copolymer

Details Mixtures of polyacrylate resins and siloxane carbonate copolymer Mixtures of polyacrylate resins and siloxane carbonate copolymer

1982-03-22

1984-10-23

Briggs, Sr., Wilbert J.

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

Synthetic resins

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

525100, 525148, 525464, 525468, 525479, C08L 3308, C08L 3310, C08L 3312, C08L 6900

Patent

active

044789815

ABSTRACT:
Contact lenses are fabricated from a mixture of polymethymethacrylate and polydimethylsiloxane-bisphenol A carbonate block copolymers. The lenses so produced exhibit excellent oxygen permeability.

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patent: 4153641 (1979-05-01), Deichert et al.
patent: 4319003 (1982-03-01), Gardlund
Mandell, Robert B., "Corneal Physiology and Permeable Materials", Contact Lens Manufacturers Association, (1981).
Arkles, Barry C., "New Generation Silicones for Medical Devices", Medical Device & Diagnostic Industry, vol. 3, No. 4, Apr. 1981, Canon Communications, Inc.
"Polycon" Lense Advertisement.

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