Scratch removal for plastic lenses

Details Scratch removal for plastic lenses Scratch removal for plastic lenses

1990-08-28

1992-01-21

Bell, Janyce

Coating processes

Restoring or repairing

427155, 427164, 427369, 427384, B05D 3500

Patent

active

050826913

ABSTRACT:
A method of removing scratches and/or abrasions from the surface of a plastic lens which comprises providing a plastic lens which has one or more surface scratches and/or abrasions, applying a wax composition which contains a pigment to the surface of the lens resulting in the formation of a coating on at least the abraded and scratched portions of said surface and removing said wax coating by wiping it from said surface, whereby said surface is rendered substantially more tolerable to the user.

REFERENCES:
patent: 369431 (1887-09-01), Brown
patent: 2024303 (1933-12-01), Obrig
patent: 3141273 (1964-07-01), Sarofeen
patent: 3880631 (1975-04-01), Ripley
patent: 4152283 (1979-05-01), Cordrey et al.
patent: 4374745 (1983-02-01), Sibley et al.
patent: 4410563 (1983-10-01), Richter et al.

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