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.
Patent No.:
Date of Patent:
Oct. 13, 1998
Filed:
Jul. 31, 1996
Applicant:
Inventors:
Assignee:
Tomey Technology Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; B08B / ;
U.S. Cl.
CPC ...
134 42 ; 510112 ; 510113 ; 510114 ; 510115 ; 510392 ; 510530 ; 435263 ; 435264 ; 422 28 ; 134 42 ;
Abstract
A method of simultaneously cleaning and disinfecting a contact lens is disclosed, which method comprises the steps of: (a) preparing a cleaning solution for the contact lens comprising an effective amount of a proteolytic enzyme, 15-60 w/v % (percent by weight/volume) of propylene glycol, 10-60 w/v % of glycerine, and water, a total content of the propylene glycol and glycerine being in a range of 30-80 w/v %; (b) diluting the cleaning solution with a disinfecting or storing liquid for the contact lens which contains an ionic antimicrobial agent, so as to provide a dilution; and (c) immersing the contact lens in the dilution.