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:
Nov. 28, 2000
Filed:
Nov. 12, 1998
Applicant:
Inventors:
David J McCanna, Rochester, NY (US);
Stephen E Maier, Brockport, NY (US);
David J Heiler, Avon, NY (US);
Susan P Spooner, Penfield, NY (US);
Erning Xia, Penfield, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F61K / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
510112 ; 510113 ; 510163 ; 510243 ; 510384 ; 510383 ; 510391 ; 510504 ; 510475 ; 514635 ;
Abstract
The present invention is directed to an ophthalmically safe disinfecting solution for contact lenses comprising the combination of a polymeric biguanide and a polyquaternium polymer of a substituted or unsubstituted vinylimidazole or its vinylimidazoliuum salt, which copolymer has a weight average molecular weight of 5,000 to 5,000,000. The invention is also directed to an improved method of disinfecting a contact lens.