Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1990-02-20
1991-11-19
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
252 90, 252174, 25217413, 25217423, C11D 350
Patent
active
050664190
ABSTRACT:
Perfume particles comprise perfume dispersed within certain water-insoluble nonpolymeric carrier materials and encapsulated in a protective shell by coating with a friable coating material. The coated particles allow for preservation and protection of perfumes which are susceptible to degradation or loss in storage and in cleaning compositions. In use, the surface coating fractures and the underlying carrier/perfume particles efficiently deliver a large variety of perfume types to fabrics or other surfaces.
REFERENCES:
patent: 4145184 (1979-03-01), Brain et al.
patent: 4152272 (1979-05-01), Young
patent: 4234627 (1980-11-01), Schilling
patent: 4636330 (1987-01-01), Melville
Buttery Howard J.
Michael William R.
Norbury Robert J.
Schmidt Diane G.
Walley Darlene R.
Ghyka Alexander G.
Lieberman Paul
Minnesota Mining & Manufacturing Co.
The Procter & Gamble & Company
Witte Richard C.
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