Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1998-11-06
2000-10-03
Fries, Kery
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
510112, 510115, 510475, 510476, 510477, 510480, 510506, 422 30, 422 37, B08B 102, C11D 337, C11D 326
Patent
active
061267066
ABSTRACT:
A method of cleaning and disinfecting a contact lens, comprising the steps of: preparing a disinfectant which is an aqueous solution containing an iodine-complex polymer, and a diluent which is an aqueous solution containing ethylenediamine tetraacetic acid and/or soluble salts thereof, and a nonionic surface active agent; mixing the disinfectant and the diluent to provide a mixed solution, such that an available iodine concentration of the mixed solution immediately after mixing is in a range of 0.01-50 ppm, and such that concentrations of the ethylenediamine tetraacetic acid and/or the soluble salts thereof, and the nonionic surface active agent in the mixed solution are in a range of 0.0001-1.0 w/v % and in a range of 0.01-1.0 w/v %, respectively; and immersing the contact lens in the mixed solution for cleaning and disinfecting the contact lens, resulting in gradual reduction of the available iodine remaining in the mixed solution, by the ethylenediamine tetraacetic acid and/or the soluble salts thereof.
REFERENCES:
patent: 5603897 (1997-02-01), Heiler et al.
patent: 5925317 (1999-07-01), Rogalskyj et al.
Matsumoto Satoru
Sugiura Atsuko
Fries Kery
Tomey Corporation
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