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. 01, 1994
Filed:
Oct. 26, 1992
Applicant:
Inventors:
Shau F Yen, Atlanta, GA (US);
Paul C Nicolson, Dunwoody, GA (US);
Assignee:
Ciba-Geigy Corportion, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; A01N / ; A01N / ; C11D / ;
U.S. Cl.
CPC ...
422 37 ; 252106 ; 514839 ; 514840 ;
Abstract
The method of imparting antimicrobial activity to a contact lens composition by adding to the composition an effective amount of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one.