Back to results
US 12,606,725 B2Granted
Adhesive tape roll with color-changing dye
OwnerDavid Franklin Koravos, Audrey Dickinson +1inventors
InventorsDavid Franklin Koravos, Audrey Dickinson, Alder Ensberg
Life of this patent
Estimating the term…
Abstract
Provided herein is a tape roll configured to include an adhesive associated with a color-changing dye to provide the user with a visible marker for the end of the tape roll. In certain aspects, the adhesive is associated with a redox indicator. In certain aspects, the redox indicator is activated upon exposure to air.
Claims3
A roll comprising adhesive tape, wherein the adhesive tape consists of:
- a liner comprising an outer side and an underside, wherein the liner is transparent or translucent,
- an adhesive layer applied to the underside of the liner, and
- a redox indicator layer applied to the underside of the liner, wherein:
- the redox indicator is activated upon exposure to one or more atmospheric components chosen from oxygen, nitrogen, argon, carbon dioxide, methane, water vapor, and neon, and
- the activated indicator is visible through the outer side of the liner at a terminus of the roll.
2 more elements
Dependencies are inferred from the claim text.