Particle coating apparatus for small-scale processing

Details Particle coating apparatus for small-scale processing Particle coating apparatus for small-scale processing

1990-04-20

1992-10-27

Beck, Shrive

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

118303, 118DIG5, 427 3, 427600, B05D 700

Patent

active

051588048

ABSTRACT:
Apparatus and methods are provided for coating relatively small quantities of particles including tablets, pellets, or granules. The device effectively fluidizes the particles to be coated by controlled vibration of a perforated platform through which drying air is passed during intermittent spraying of the particles with a solution of organic or aqueous-based coating material. The method coats individual tablets having as low a mass as 50 mg and coats quantities ranging from less than about 50 mg to 10 g of tablets, pellets, or granules.

REFERENCES:
patent: 2667806 (1954-02-01), Morse et al.
patent: 4644665 (1987-02-01), Naunapper et al.
patent: 4656056 (1987-04-01), Leuenberger
patent: 4685419 (1987-08-01), Nakajima
patent: 4919973 (1990-04-01), Alkan et al.
Seitz, J. A., et al.,: Ch. 12: Tablet Coating in The Theory and Practice of Industrial Pharmacy, 3rd Ed., Edited by L. Lachman, et al., Lea and Febiger, Philadelphia, pp. 346-373 (1986).

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