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US 9,206,382 B2Granted
Surface treatment compositions comprising photochromic dyes
AssigneeThe Procter & Gamble Company
InventorsNeil Joseph Lant, Steven George Patterson, Andrew Philip Moon
Life of this patent
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Abstract
Compositions and methods for treating surfaces comprising photochromic dyes, particularly for laundry treatment.
Claims18
A fabric treatment composition comprising:
- a) a photochromic fabric-hueing dye, or mixtures thereof;
- b) from about 0.1% to about 60% by weight of the composition of surfactant;
- c) from about 0.00001% to about 2% by weight of the composition of enzyme;
- and
- d) optional additional adjunct ingredients.
2 more elements
A method of treating a textile surface, the method comprising the steps of (i) treating the textile with an aqueous solution comprising a laundry care adjunct and a photochromic dye;
- and (ii) optionally rinsing and drying the textile.
Dependencies are inferred from the claim text.