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:
Oct. 19, 1982

Filed:

Mar. 12, 1981
Applicant:
Inventors:

Thomas M Riedhammer, Rochester, NY (US);

Francis X Smith, Rochester, NY (US);

Assignee:

Bausch & Lomb Incorporated, Rochester, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ;
U.S. Cl.
CPC ...
252106 ; 252542 ; 252545 ; 252546 ; 252D / ;
Abstract

A disinfecting and/or preserving solution for contact lenses is disclosed. The disinfecting solution is an aqueous solution containing 0.0035 to 0.04 weight percent of an amphoteric surfactant in combination with 0.0005 to 0.01 weight percent of chlorhexidine and 0.002 to 0.025 weight percent of a non-ionic surfactant, optionally together with up to 0.5 weight percent of thimerosal or other enhancers and optional buffers and the like. The binding (or uptake) of preservative by a hydrophilic soft contact lens is reduced by this invention.


Find Patent Forward Citations

Riedhammer, Thomas. (1982). Contact lens disinfecting and preserving solution comprising (U.S. Patent No. 4354952). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4354952

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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