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. 08, 1986
Filed:
Dec. 28, 1984
Applicant:
Inventors:
Doris Schafer, Arisdorf, CH;
Rolf Schafer, Arisdorf, CH;
Assignee:
Alcon Laboratories, Inc., Fort Worth, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ;
U.S. Cl.
CPC ...
252546 ; 252142 ; 25217419 ; 25217421 ; 252D / ;
Abstract
A nontoxic, aqueous, contact lens cleaning solution containing a mixture which includes a nonionic or weakly anionic surfactant, a chelating agent, a source of hydrated protons, and optionally also urea; and a method of chemically removing protein, lipid and calcium deposits from contact lens utilizing this solution are described.