Extended delivery of ingredients from a fabric softener composition
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United States of America Patent
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Mar 20, 2012
Grant Date -
Jan 14, 2010
app pub date -
Feb 2, 2006
filing date -
Feb 4, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A controlled delivery system for active ingredients, like a fragrance, for use in fabric softener products, such as tumble dryer sheets, rinse added liquids, and similar products, is disclosed. The delivery system enhances performance of an active ingredient, such as a fragrance. The controlled delivery system contains polymeric micro-particles highly loaded with the active ingredient. Other active ingredients that can be incorporated into a fabric softener composition using the delivery system include ironing aides, silicone fluids, antiwrinkle agents, antistatic agents, optical brighteners, fabric crisping agents, bleaching agents, germicides, fungicides, flow agents, and surfactants.
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