METHOD OF SIGNALLING TEMPERATURE AND/OR BENEFIT AGENT RELEASE USING BAR COMPOSITION COMPRISING THERMOCHROMIC PIGMENT OR DYE
First Claim
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1. Method of signaling that a defined temperature is obtained and/or that a benefit agent is released which method comprises(1) preparing a solid bar composition comprising:
- (a) 5 to 85% by wt. of a surfactant selected from the group consisting of anionic surfactant, nonionic surfactant, amphoteric surfactant, cationic surfactant and mixtures thereof;
(b) 0 to 50% by wt. bar structurant;
(c) 0 to 30% by wt. free fatty acid;
(d) 0.1 to 10% by wt. thermochromatic pigment or dye; and
(e) 0 to 25% benefit agent; and
(2) identifying or notifying a person or persons who may use said bar that use of said bar will result in a visual cue that said temperature will be obtained and/or said benefit will be released.
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Abstract
The invention relates to method of signaling temperature and/or benefit agent release using bar compositions comprising thermochromatic pigment or dye. In a preferred embodiment, the pigment is introduced in the form of a separate domain (e.g., separate chips) which separate chip or chips is combined with a surfactant-containing chips to form the final bar.
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Citations
12 Claims
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1. Method of signaling that a defined temperature is obtained and/or that a benefit agent is released which method comprises
(1) preparing a solid bar composition comprising: -
(a) 5 to 85% by wt. of a surfactant selected from the group consisting of anionic surfactant, nonionic surfactant, amphoteric surfactant, cationic surfactant and mixtures thereof; (b) 0 to 50% by wt. bar structurant; (c) 0 to 30% by wt. free fatty acid; (d) 0.1 to 10% by wt. thermochromatic pigment or dye; and (e) 0 to 25% benefit agent; and (2) identifying or notifying a person or persons who may use said bar that use of said bar will result in a visual cue that said temperature will be obtained and/or said benefit will be released. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification