Cleaning agent for optical surfaces

Details Cleaning agent for optical surfaces Cleaning agent for optical surfaces

1989-12-05

1991-08-06

Pal, Asok

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

134 42, 25217423, 252106, 252163, 252165, 252173, 25217415, 25217417, 25217421, 252DIG2, 252DIG14, B08B 1100

Patent

active

050374842

ABSTRACT:
Soft and hard contact lenses are freed from deposits by rubbing them with a particulate organic polymer with a carrier, the polymer having a particular size in the range from about one micron to about 600 microns and a Rockwell hardness in the range of from about R120 to about M68, or a shore hardness in the range from about A15 to about D100.

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