A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
167/13.3, 6/14.5
A61L 2/18 (2006.01) A01N 59/18 (2006.01) A61L 12/14 (2006.01)
Patent
CA 1150907
ABSTRACT OF THE DISCLOSURE The disclosure describes an aqueous storing and rinsing solution for contact lenses comprising chlorohexidine and thiomersal as preservative and disinfecting agents and a water-soluble cellulose derivative as a protective polymer, in a buffered saline solution with a Ph of approximately 7.4. The solution also comprises as an additional ingredient ethyl- enediamine tetra-acetic acid (EDTA) or a salt thereof, as a chelating agent. This solution could be used for both soft and hard contact lenses, and could also serve as a solvent for a protein remover.
371842
Ludwig Gerhard
Sunderdick Rainer
Swabey Ogilvy Renault
Titmus Eurocon Kontaktlinsen Gmbh & Co. Kg
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