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:
Jul. 16, 1996
Filed:
Jul. 05, 1994
Applicant:
Inventor:
J Richard Robertson, Alpharetta, GA (US);
Assignee:
Ciba-Geigy Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556419 ; 556418 ; 556420 ; 556425 ;
Abstract
Antimicrobial quaternary ammonium group-containing organosilicon polymers, aqueous disinfectant solutions containing such polymers, and lenses produced from such polymers are provided herein. The polymers are produced by homopolymerizing or copolymerizing, with a suitable comonomer, a quaternary ammonium group-containing organosilicon monomer having, for example, the following structure: ##STR1##