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:
Jun. 23, 2009
Filed:
Nov. 25, 2003
Applicants:
Fu-pao Tsao, Lawrenceville, GA (US);
Karen Frances Lindley, Cumming, GA (US);
Inventors:
Fu-Pao Tsao, Lawrenceville, GA (US);
Karen Frances Lindley, Cumming, GA (US);
Assignee:
Novartis AG, Basel, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C11D 43/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An buffered aqueous contact lens disinfecting solution having much lower concentration of disinfecting agents, and less irritating to the eye. The solutions have a tonicity of 200 to 450 mOsm/kg, a pH of between 6 and 8, and a concentration of chloride ions below 1500 ppm. Despite having less than 1 ppm of antimicrobial, the solutions are effective againstwithin 15 minutes of contact.