Cleaning and liquid contact with solids – Processes – Using sequentially applied treating agents
Patent
1991-08-13
1992-06-30
Morris, Theodore
Cleaning and liquid contact with solids
Processes
Using sequentially applied treating agents
134 42, B08B 308
Patent
active
051259826
ABSTRACT:
The object of the invention is to provide a method of cleaning a hard contact lens which is easy to use, excellent in the cleaning effect and then does not affect the lens material disadvantageously. The method of cleaning a hard contact lens is characterized in that the hard contact lens adhered with soil is immersed in a mixture of an aqueous solution of a permanganate salt and an aqueous solution of a mild reducing substance.
Kazumi Ogata
Nakayama Hisayuki
Ushio Kazumichi
El-Arini Zeinab
Morris Theodore
Senju Pharmaceutical Co. Ltd.
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