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US 6,904,865 B2Granted
Wetness indicator having improved colorant retention and durability
AssigneeThe Procter & Gamble Company
InventorsThomas James Klofta, Brandon Ellis Wise, Donald Carroll Roe
Life of this patent
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Abstract
Wetness indicating compositions having improved colorant retention and durability and to wearable articles comprising this wetness indicating composition are provided.
Claims19
A wetness indicating composition comprising:
- (a) a colorant, said colorant having an initial color state, said initial color state being associated with a first state of said composition and a final color state, said final color state being associated with a second state of said composition;
- and
- (b) a matrix comprising a mixture of a first binding agent and a second binding agent;
- wherein said first binding agent immobilizes said colorant when it is in its said initial color state and said second binding agent immobilizes said colorant when it is in its said final color state;
- and
- wherein said second binding agent is selected from the group consisting of cationic clay materials, quaternary ammonium compounds, ethoxylated quaternary ammonium compounds, quaternized silicone compounds, cationic guars, cationic exchange resins, anionic exchange resins, polyacrylic acid polymers, organic acids, and combinations thereof.
3 more elements
A disposable absorbent article comprising a wetness indicating composition affixed to a structural component of said article, said wetness indicating composition comprising:
- (a) a colorant, said colorant having an initial color state, said initial color state being associated with a first state of said composition and a final color state, said final color state being associated with a second state of said composition;
- and
- (b) a matrix comprising a mixture of a first binding agent and a second binding agent;
- wherein said first binding agent immobilizes said colorant when it is in its said initial color state and said second binding agent immobilizes said colorant when it is in its said final color state and the ratio of said first binding agent to said second binding agent is from about 2:1 to about 40:1;
- and
- wherein said second binding agent is selected from the group consisting of cationic clay materials, quaternary ammonium compounds, ethoxylated quaternary ammonium compounds, quaternized silicone compounds, cationic guars, cationic exchange resins, anionic exchange resins, polyacrylic acid polymers, organic acids, and combinations thereof.
3 more elements
Dependencies are inferred from the claim text.