The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 30, 1992

Filed:

Aug. 13, 1991
Applicant:
Inventors:

Ogata Kazumi, Toyonaka, JP;

Kazumichi Ushio, Nishinomiya, JP;

Hisayuki Nakayama, Nishinomiya, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134 26 ; 134 42 ;
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.


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