LIQUID-ACTIVATED COLOR CHANGE INK AND METHODS OF USE
First Claim
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1. A liquid activated ink formulation comprising:
- (A) a liquid activated dye, wherein the liquid activated dye is water soluble;
(B) a hydrochromic ionic compound;
(C) an opacifier; and
(D) a solvent.
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Abstract
Liquid activated ink formulations comprising a liquid activated dye, a hydrochromic ionic compound, an opacifier, and a solvent.
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Citations
30 Claims
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1. A liquid activated ink formulation comprising:
- (A) a liquid activated dye, wherein the liquid activated dye is water soluble;
(B) a hydrochromic ionic compound;(C) an opacifier; and
(D) a solvent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
- (A) a liquid activated dye, wherein the liquid activated dye is water soluble;
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19. A disposable diaper having a liquid permeable topsheet, a liquid impermeable backsheet, and a liquid absorbent core disposed between the topsheet and the backsheet further comprising:
- A liquid indicator, wherein said liquid indicator comprises a coating of liquid indicating ink disposed on the backsheet, between the backsheet and the absorbent core, such that it is visually revealed when said coating is wetted with body fluids.
- View Dependent Claims (20, 21, 22, 23, 24)
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25. A wound dressing comprising:
- a contact layer;
an absorbent dressing layer;
an outer layer, and;
a liquid indicator, comprising a coating of liquid indicating ink wherein said liquid indicator is disposed on said outer layer, between said outer layer and said absorbent dressing layer. - View Dependent Claims (26, 27, 28, 29, 30)
- a contact layer;
Specification