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US 7,745,386 B2Granted
Process of incorporating microcapsules into dryer-added fabric care articles
AssigneeThe Procter & Gamble Company
InventorsDarren Franklin King, Komal G. Patel, George Kavin Morgan, III, Glenn Thomas Jordan, IV
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Abstract
Dryer-added fabric conditioning articles that comprise friable perfume microcapsules provide consumers an impactful freshness experience while wearing clothing that is treated by the article. Manufacturing processes of incorporating friable perfume microcapsules into dryer-added articles that maximizes the yield of unruptured microcapsules are provided.
Claims6
A method of making a dryer-added fabric conditioning, friable perfume microcapsule containing, dryer sheet comprising the steps:
- (a) containing a coat mix in a coat mix tank, wherein the coat mix comprises a fabric conditioning active;
- (b) applying the coat mix from the coat mix tank to a non-woven substrate to make a fabric conditioning dryer sheet;
- (c) containing a microcapsule slurry at a temperature from about 50° C. to about 125° C. in a microcapsule slurry tank;
- wherein the microcapsule slurry comprises a friable perfume microcapsule, and
- wherein the friable perfume microcapsule encapsulates a perfume composition;
- and
- wherein the microcapsule slurry comprises from about 20% to about 75% water, by weight of the microcapsule slurry;
- and
- (d) applying the microcapsule slurry from the microcapsule slurry tank to the fabric conditioning dryer sheet to make the dryer-added fabric conditioning, friable microcapsule containing, dryer sheet.
6 more elements
Dependencies are inferred from the claim text.