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US 2003/0188762 A1Published application
Indicator dental floss
AssigneeMcNeil-PPC, Inc.
InventorsHarold Ochs, John Chodzko
Life of this patent
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Abstract
A floss comprising: a fiber substrate; and a uniform coating comprising a colorant, wherein the color of the coating is different than the color of the fiber substrate is disclosed. The floss is useful as an indicator floss.
Claims13
A dental floss comprising:
- a fiber substrate, said fiber substrate having a first color;
- said fiber substrate having a coating substantially uniformly applied thereto;
- said coating having a second color which substantially completely masks said first color;
- whereby when said floss is used to floss the teeth, said coating is disrupted to thereby reveal said first color, thereby providing the user with a visual indication that the floss has been so used.
1 more element
A dental floss comprising:
- a fiber substrate, said fiber substrate having a first color;
- said fiber substrate having a first coating substantially uniformly applied thereto, said first coating being substantially insoluble;
- and
- a second coating substantially uniformly applied over'said first insoluble coating, said second coating being a soluble coating and being adapted to substantially completely mask said first color,
- whereby when said floss is used to floss the teeth, said second coating is disrupted to thereby reveal an underlying color.
2 more elements
Dependencies are inferred from the claim text.