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. 16, 1998
Filed:
Jan. 30, 1997
Applicant:
Inventors:
David J Heiler, Avon, NY (US);
Suzanne F Groemminger, Rochester, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L / ;
U.S. Cl.
CPC ...
134 42 ; 134901 ; 510112 ; 514839 ;
Abstract
The present invention provides methods for treating contact lenses and compositions for the same. The present invention includes contacting a lens with an aqueous solution comprising a sulfobetaine compound represented by the formula: ##STR1## wherein: R.sub.1 is an alkyl group having from 8 to 30 carbon atoms, R.sub.2 and R.sub.3 are individually hydrogen or alkyl groups having from 1 to 4 carbon atoms, and R.sub.4 is an alkyl group having from 2 to 6 carbon atoms. In preferred embodiments of the invention, the subject compounds are used in combination with antimicrobial agents for providing simultaneous disinfection and cleaning of contact lenses.