Method of marking plastic lenses

Details Method of marking plastic lenses Method of marking plastic lenses

1979-12-31

1981-12-01

Hoffman, James R.

Coating processes

Latent image formed or developed

8507, 8509, 8512, 427 7, 427157, 427164, G02B 110, C09K 1100

Patent

active

043037011

ABSTRACT:
A method of marking plastic lenses to selectively identify a lens by impregnating a fluorescent material into the surface of the lens so that when the lens is exposed to ultraviolet light it fluoresces.

REFERENCES:
patent: 1475473 (1923-11-01), Drescher
patent: 1607395 (1926-11-01), Gallasch
patent: 1644798 (1927-10-01), Tillyer et al.
patent: 2542386 (1951-02-01), Beattie
patent: 2848348 (1958-08-01), McCafferty
patent: 4039827 (1977-08-01), Zdrok et al.
patent: 4146696 (1979-03-01), Bond et al.
patent: 4157892 (1979-06-01), Tanaka et al.
patent: 4238524 (1980-12-01), La Liberte et al.

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