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:
Mar. 31, 1981
Filed:
Jun. 04, 1979
Applicant:
Inventors:
Kyoichi Tanaka, Nagoya, JP;
Akira Tsuzuki, Nagoya, JP;
Assignee:
Toyo Contact Lens Co., Ltd., Nagoya, JP;
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ;
U.S. Cl.
CPC ...
252107 ; 252106 ; 252108 ; 25217417 ; 25217418 ; 252121 ;
Abstract
A cleaning and preservative solution for contact lenses which contains as an effective ingredient a monoester of saccharose with a fatty acid having the general formula: ##STR1## wherein R is a saturated or unsaturated aliphatic hydrocarbon group having 8 to 18 carbon atoms. The solution has excellent cleaning and preservative effects. Contact lenses can be cleaned during the preservation of the lenses with soaking them in the solution.