A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
167/164
A61K 9/50 (2006.01) A23L 1/22 (2006.01) A61K 8/11 (2006.01) A61Q 13/00 (2006.01) B01J 13/02 (2006.01) B01J 13/10 (2006.01) D06M 13/00 (2006.01) D06M 23/12 (2006.01)
Patent
CA 2009047
Microcapsules which are prepared using coacervation processes and/or which have a complex structure in which there is a large central core of encapsulated material, preferably perfume, and the walls contain small wall inclusion particles of either the core material or some other material that can be activated to disrupt the wall are disclosed. The microcapsules that are prepared by coacervation and contain perfume are especially desirable for inclusion in fabric softener compositions that have a pH of about 7 or less and which contain cationic fabric softener. The encapsulated perfume preferably does not contain large amounts of relatively water-soluble ingredients. Such ingredients are added separately to the fabric softener compositions. Ingredients that have high and low volatilities as compared to, e.g., the desired perfume, can either be added to, or removed from, the perfume to achieve the desired volatility.
Kirby Eades Gale Baker
The Procter & Gamble Company
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