Compositions – Electrolytes for electrical devices
Patent
1975-04-14
1976-03-16
Pitlick, Harris A.
Compositions
Electrolytes for electrical devices
252 97, 252187C, C11D 3395, C11D 930
Patent
active
039444970
ABSTRACT:
Particles of a fluidizable substance are coated with a complete and continuous coating by a process wherein a non-aqueous solution of a coating substance is sprayed from a nozzle downwardly on a fluidized bed of the particles to be coated, the nozzle height being adjusted so that the liquid droplets of coating material would just cover the cross-sectional area of the upper surface of the bed, if sprayed on the unexpanded bed. When the aforementioned coating is a fatty acid having 12-20 carbon atoms applied to particles of a chlorine-releasing agent, and when a second coating is applied by treatment with a solution of a fixed alkali hydroxide, i.e., sodium, potassium, or calcium hydroxide, an effective, completely encapsulated, non-pinholing bleach product is obtained.
REFERENCES:
patent: 3154494 (1964-10-01), Speak et al.
patent: 3459665 (1969-08-01), Schiefer et al.
Alterman David S.
Chun Kil Whan
Dusyn Kenneth F.
Farrell James J.
Grant Arnold
Lever Brothers Company
Pitlick Harris A.
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