Stabilization of fragrances in salt mixtures by dual...

Details Stabilization of fragrances in salt mixtures by dual... Stabilization of fragrances in salt mixtures by dual...

2007-03-06

2007-03-06

Cole, Monique T. (Department: 1743)

Perfume compositions

Perfume compositions

Nonliquid or encapsulated

Reexamination Certificate

active

10269724

ABSTRACT:
This invention provides a method for stabilization of a fragrance ingredient in a salt mixture, comprising the steps of encapsulating the fragrance ingredient in a first encapsulating material, which is water soluble and insoluble in a volatile organic solvent, to form a first encapsulated material; encapsulating a salt in a second encapsulating material which is dissolved in a volatile organic solvent to form a second encapsulated material, and then partially drying the second encapsulated material; mixing the first encapsulated material with the second encapsulated material before the volatile, organic solvent completely evaporates from the second encapsulated material; and removing remaining volatile organic solvent to form a free flowing salt and fragrance containing powder.

REFERENCES:
patent: 5585093 (1996-12-01), Murphy
patent: 5614179 (1997-03-01), Murphy et al.
patent: 6555098 (2003-04-01), Murphy et al.

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