Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1988-02-18
1989-02-21
Albrecht, Dennis
Compositions
Water-softening or purifying or scale-inhibiting agents
252 891, 252135, 252140, 25217413, 25217425, 252321, 252358, 427213, 427220, B01D 1904, C11D 337, C11D 936, C11D 1706
Patent
active
048062669
ABSTRACT:
Foam control agents for inclusion in detergent compositions in powder form, are particulate and comprise a silicone antifoam compound and an organic material which is a fatty acid or a fatty alcohol, having 12 to 20 carbon atoms, or a mixture thereof and which has a melting point in the range 45.degree. to 80.degree. C. and is insoluble in water. The foam control agents are made by a process in which the antifoam and the organic material are contacted in their liquid phase. These foam control agents give a good storage stability in the detergent powders.
REFERENCES:
patent: 3519570 (1970-07-01), McCarty
patent: 4092266 (1978-05-01), Abel
patent: 4192761 (1980-03-01), Peltre
patent: 4303549 (1981-12-01), Boylan
patent: 4477370 (1984-10-01), Kavchok
patent: 4626377 (1986-12-01), Kavchok
Albrecht Dennis
Dow Corning Ltd.
Weitz Alexander
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