A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 13/42 (2006.01) A47L 13/20 (2006.01)
Patent
CA 2395906
Cleaning utensil for the damp wiping of surfaces with cleaning water, including a plastic element which upon contact with the cleaning water indicates the relative temperature of the cleaning water by a reversible change in color. The plastic element includes a thermochromic or thermosensitive color additive for indicating to a user of the cleaning utensil, without the need for contact of the user with the water, whether the temperature of the water is above or below a selected temperature.
Hofmeister Helmut
Jurgens Ralf
Borden Ladner Gervais Llp
Carl Freudenberg Kg
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