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:
Apr. 06, 1982
Filed:
Nov. 24, 1980
Applicant:
Inventor:
Cherng-Chyi Fu, Sunnyvale, CA (US);
Assignee:
Syntex (U.S.A.) Inc., Palo Alto, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252106 ; 252173 ; 252529 ; 252548 ; 134 42 ;
Abstract
A solution for cleaning, storing or wetting contact lenses which comprises a poly(oxyethylene)-poly(oxypropylene) substituted ethylenediamine surfactant having a molecular weight between 1,600 and 27,000; a germicidal agent; a viscosity builder; a tonicity agent; a sequestering agent and water.