Treatment of fabric with perfume/cyclodextrin complexes
First Claim
1. Solid, laundry dryer-activated, fabric conditioning composition consisting essentially of from about 30% to about 99% of fabric softening agent selected from the group consisting of:
- cationic fabric softener;
nonionic fabric softener; and
mixtures thereof, and from about 0.5% to about 60% of perfume/cyclodextrin complex, said composition being capable of improving the condition of fabrics being dried in a alundry dryer and attaching an effective amount of said perfume/cyclodextrin complex to said fabrics in said laundry dryer at said laundry dryer'"'"'s operating temperatures, whereby said fabrics, when dry, exhibit substantial odor of said perfume upon rewetting.
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Accused Products
Abstract
An effective amount of perfume/cyclodextrin complex is applied to fabric that is preferably at least partially wetted. A preferred method applies said complex to said fabric in an automatic laundry dryer. The perfume/cyclodextrin complexes are preferably incorporated into solid, dryer-activated, fabric treatment (conditioning) compositions, preferably containing fabric softeners, more preferably cationic and/or nonionic fabric softeners. The complexes provide fabrics with perfume benefits when they are rewetted after drying. Volatile perfume materials, including those materials that are commonly associated with "freshness" can be applied to the fabrics in an effective way. Clay provides protection for said perfume/cyclodextrin complexes, especially when certain materials like some nonionic fabric softeners and/or fatty acids are present and in contact with said perfume/cyclodextrin complexes.
140 Citations
35 Claims
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1. Solid, laundry dryer-activated, fabric conditioning composition consisting essentially of from about 30% to about 99% of fabric softening agent selected from the group consisting of:
- cationic fabric softener;
nonionic fabric softener; and
mixtures thereof, and from about 0.5% to about 60% of perfume/cyclodextrin complex, said composition being capable of improving the condition of fabrics being dried in a alundry dryer and attaching an effective amount of said perfume/cyclodextrin complex to said fabrics in said laundry dryer at said laundry dryer'"'"'s operating temperatures, whereby said fabrics, when dry, exhibit substantial odor of said perfume upon rewetting. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
- cationic fabric softener;
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23. An article of manufacture consisting essentially of:
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I. a fabric conditioning composition comprising; i. from about 30% to about 99% of fabric softening agent selected from the group consisting of;
cationic fabric softener;
nonionic fabric softener; and
mixtures thereof; andii. from about 0.5% to about 60% of perfume/cyclodextrin complex; and II. a dispensing means which provides for release of an effective amount of said composition to fabrics in a laundry dryer at said laundry dryer'"'"'s operating temperatures whereby an effective amount of said perfume/cyclodextrin complex is attached to said fabrics, when they are dry, so that said fabrics exhibit substantial odor of said perfume upon rewetting. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31)
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32. A detergent-compatible, laundry dryer-activated fabric conditioning composition in particulate form consisting essentially of:
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I. from about 30% to about 99% of fabric softening agent selected from the group consisting of;
cationic fabric softener;
nonionic fabric softener; and
mixtures thereof; andII. from about 0.5% to about 60% of perfume/cyclodextrin complex, said composition being capable of attaching an effective amount of said perfume/cyclodextrin complex to fabrics in a laundry dryer at said laundry dryer'"'"'s operating temperatures, whereby said fabrics, when they are dry, exhibit substantial odor of said perfume upon rewetting. - View Dependent Claims (33, 34, 35)
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Specification