Reversible color-changing sanitizer-indicating nonwoven wipe
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United States of America Patent
Stats
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Jan 9, 2018
Grant Date -
Sep 11, 2014
app pub date -
May 22, 2014
filing date -
Mar 31, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A nonwoven wipe having a reversible sanitizer indicator for multiple uses and recharges is provided. The nonwoven wipe includes a cloth-like nonwoven fabric coated with a reversible color-changing ink formulation. During use, the nonwoven wipe is impregnated with a quaternary ammonium compound-based sanitizer. When the level of free quaternary ammonium compound falls below a threshold level, the color-changing ink formulation changes from a first color to a second color, indicating the need to recharge the wipe. When the nonwoven wipe is recharged with sanitizer solution, the color-changing ink formulation changes back to the first color.
First Claim
Family
International Classification(s)
- A01N:PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLA....
- B05D:PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MAT....
- A47L:DOMESTIC WASHING OR CLEANING
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- D06P:DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS,....
- C11D:DETERGENT COMPOSITIONS
- A61L:METHODS OR APPARATUS FOR STERILISING MATERIALS OR ....
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