Soft contact lens processing aid

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof

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Details

51309, 51293, 51284R, 51304, B24B 100

Patent

active

050798782

ABSTRACT:
A method for polishing hydrophilic contact lenses which comprises applying a polish consisting of a substantially water free material that in solution acts as a surfactant and an optional abrasive material to the lens surface to be polished and applying a moving polishing tool to the lens.

REFERENCES:
patent: 3832920 (1974-09-01), Wrue
patent: 3896688 (1975-07-01), Wrue
patent: 4269739 (1981-05-01), Grejsner
patent: 4534916 (1985-08-01), Wichterle
patent: 4555372 (1985-11-01), Kunzler et al.
patent: 4622258 (1986-11-01), Minche
patent: 4673523 (1987-06-01), Smith
patent: 4784786 (1988-11-01), Smith

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