Abrasion-resistant optical element

Details Abrasion-resistant optical element Abrasion-resistant optical element

1977-02-07

1978-03-14

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

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Including components having same physical characteristic in...

351159, 351166, 2234, 351 41, 351 44, 428412, 428413, 428425, 428447, 428501, 428515, 428516, 428523, 428912, B32B 702, G02C 702, B32B 2740

Patent

active

040791602

ABSTRACT:
A coated abrasion-resistant optical element, such as an eyeglass lens, formed of a typical rigid polymeric substrate of relatively low scratch resistance coated on at least one surface with a relatively soft, resilient, and tough transparent polymeric material. The essential characteristics of the coating material resulting in an abrasion-resistant protective film for the optical element are disclosed.

REFERENCES:
patent: 2851388 (1958-09-01), Punton et al.
patent: 3637416 (1972-01-01), Misch et al.
patent: 3935367 (1976-01-01), Merrill et al.
patent: 3971872 (1976-07-01), LeBoeuf
patent: 4018941 (1977-04-01), Tucker

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