Coating apparatus for small-scale processing

Details Coating apparatus for small-scale processing Coating apparatus for small-scale processing

1987-10-16

1990-04-24

Beck, Shrive

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

118303, 118DIG5, B05D 122

Patent

active

049199730

ABSTRACT:
The present invention provides methods and materials 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: 2667706 (1954-02-01), Morse et al.
patent: 4656056 (1987-04-01), Leuenberger
patent: 4685419 (1987-08-01), Nakajima
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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