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:
May. 11, 1993
Filed:
Jan. 25, 1990
Applicant:
Inventors:
Lynn C Winterton, Roswell, GA (US);
Kai C Su, Alpharetta, GA (US);
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
25217422 ; 252106 ; 252D / ; 252D / ; 134 2219 ;
Abstract
A contact lens conditioning solution which has a polyoxyethylene-polyoxypropylene substituted ethylenediamine nonionic surfactant (Poloxamine type) having a hydrophile-lipophile balance of seven or below and a carrier vehicle. A polyoxyethylene-polyoxypropylene nonionic surfactant (Poloxamer type) having a hydraulic-lipophile balance of seven or below and a polyoxyethylene concentration of less than about 20% by weight of the polyoxyethylene-polyoxypropylene nonionic surfactant may also be included in the solution.