Polishing material for ophthalmic lenses

Details Polishing material for ophthalmic lenses Polishing material for ophthalmic lenses

1978-12-27

1980-09-16

Arnold, Donald J.

Abrasive tool making process, material, or composition

With protein or reaction product thereof

51302, 51303, 106 4, 106 5, 25217415, 25217416, 25217425, C09K 314

Patent

active

042227470

ABSTRACT:
The invention relates to a polishing material of the type containing powdered cerium oxide suspended in water.
According to the invention, this polishing material also contains, in combination, a substance for use as a thickener and a substance for reducing the surface tension.
The polishing material is particularly useful for polishing ophthalmic lenses made from organic materials.

REFERENCES:
patent: 2865725 (1958-12-01), Schroeder et al.
patent: 3053646 (1962-09-01), Roth
patent: 3141273 (1964-07-01), Sarofeen
patent: 3715842 (1973-02-01), Tredinnick et al.
patent: 3817727 (1974-06-01), Yancey
patent: 4071333 (1978-01-01), Like

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