USE OF TANNINS IN FILTERS
First Claim
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1. A method of avoiding infections by applying to or introducing one or more synthetic tanning agents into a filter.
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Abstract
The present invention relates to the use of a tanning agent in or on filters, in particular natural or synthetic fibrous fabric or foams, for the avoidance of infections, these filters in particular being part of respiratory protection masks or respiratory protection apparatuses.
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Citations
19 Claims
- 1. A method of avoiding infections by applying to or introducing one or more synthetic tanning agents into a filter.
- 8. A filter comprising at least one tanning agent.
Specification