CLEANING COMPOSITION FOR CONTACT LENSES COMPRISING A POLY (OXYETHYLENE)-POLY (OXYPROPYLENE) BLOCK COPOLYMER AND A GERMICIDAL COMPOUND

摘要

1,231,541. Germicidal compositions. FLOW PHARMACEUTICALS Inc. 18 April, 1969 [26 April, 1968], No. 19962/69. Heading A5E. [Also in Division C5] Cleaning and germicidal storage compositions, particularly for use in cleaning and sterilizing contact lenses and the plastic and rubber surfaces of medical devices, comprise from 0.002 to 0.2% by weight of a non-toxic quaternary ammonium germicide such as benzalkonium chloride or cetylpyridinium chloride, 0.01 to 2% by weight of trisodium ethylene diaminetetraacetate, a physiologically-acceptable non-ionic surface active agent and water. The compositions may have a pH of 8 to 10 and the non-ionic surface active agent may be a polyoxyethylene fatty acid ether or ester or a polyoxypropylene-polyoxyethylene condensate.