Aqueous disinfecting agent
AssigneeFresenius AG
InventorsUlrich Kirschner, Thomas Pohl
Life of this patent
Estimating the term…
Abstract
There is provided a disinfecting material effective against Hepatitis B, including citric acid and optionally malic acid and/or lactic acid. This viricidal material is not only environmentally acceptable and has low human toxicity, but has high effectiveness at relatively low temperatures for comparatively short times. This disinfecting material containing aqueous citric acid is particularly effective in critical clinical areas.
Claims6
A process for the disinfection of a hepatovirally contaminated surface which comprises contacting a hepatitis B contaminated surface with an aqueous solution, consisting essentially of, as sole virucidal components, a member of the group consisting of citric acid and one or more components selected from the group consisting of lactic acid, malic acid and tartaric acid wherein the concentration of any of the additional acid components is between 5 and 20 wt. % of the citric acid, at a temperature of between about 20.degree. C. to about 75.degree. C. for at least 5 minutes.
Dependencies are inferred from the claim text.