Qualitative description of the Wurster-based fluid-bed coating process

Drug Development and Industrial Pharmacy

Volumn 23, Issue 5, 1997, Pages 451-463

  Christensen, F Norring ^a   Bertelsen, P ^b  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

^b Nycomed Denmark   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

DRUG COATING; INSTRUMENT; PHYSICS; REVIEW; TABLET; TECHNIQUE;

EID: 0030912831     PISSN: 03639045     EISSN: None     Source Type: Journal    
DOI: 10.3109/03639049709148494     Document Type: Review

References (26)

1. D. Jones, Drug Dev. Ind. Pharm., 20(20), 3175 (1994).
2. L. K. Mathur, Fluid-bed dryers, granulators and coaters, in Encyclopedia of Pharmaceutical Technology (J. Swarbrick and J. C. Boylan, eds.), Marcel Dekker, New York, 1992, Vol. 6, p. 171.
3. P. Bertelsen, F. N. Christensen, P. Holm, and K. Jørgensen, Int. J. Pharm., 111, 117 (1994).
4. S. C. Porter and L. F. D'Andrea, Proc. 12th Int. Symp. Controlled Release Bioactive Mater., 12, 41 (1985).
5. A. M. Mehta, M. J. Valazza, and S. E. Abele, Pharm. Technol., 10, 46 (1986).
6. D. M. Jones, Air suspension coating, in Encyclopedia of Pharmaceutical Technology (J. Swarbrick and J. C. Boylan, eds.), Marcel Dekker, New York, 1988, Vol. 1, p. 189.
7. D. E. Wurster, J. Am. Pharm. Assoc., 48(8), 451 (1950).
8. M. L. Passos, A. S. Mujumdar, and V. G. S. Raghavan, Adv. Drying, 4, 359 (1987).
9. P. Walzel, Chem. Ing. Tech., 62(12), 983 (1990).
10. Wesdyk et al., Int. J. Pharm., 65, 69 (1990).
11. D. Geldart, Characterization of fluidized powders, in Gas Fluidization Technology (D. Geldart, ed.), Wiley and Sons, Chichester, 1986, p. 33.
12. D. Geldart, Powder Tech., 7, 285 (1973).
13. R. C. Rowe, J. Pharm. Pharmacol., 30, 343 (1978).
14. Ref. 11, p. 39.
15. H. Arwidsson, Studies on properties of ethyl cellulose films for extended release and their relations to formulation and process factors, Ph.D. thesis, Uppsala (1991).
16. G. W. Radebough, Film coatings and film-forming materials: evaluation, in Encyclopedia of Pharmaceutical Technology (J. Swarbrick and J. C. Boylan, eds.), Marcel Dekker, New York, 1992, Vol. 6, p. 1.
17. J. Werther, Fluidized-bed reactors, in Ullmann's Encyclopedia of Industrial Chemistry (B. Elvers, S. Hawkins, and G. Schulz, eds.), 1992, Vol. B4, p. 250.
18. D. Geldart and M. J. Rhodes, From minimum fluidization to pneumatic transport - a critical review of the hydrodynamics, in Circulating Fluidized Bed Technology I (P. Basu, ed.), 1986, p. 21.
19. D. Kunii and O. Levenspiel, Fluidization Engineering, Butterworth-Heinemann, Boston, 1991, p. 133.
20. T. M. Knowlton Solids transfer in fluidized systems, in Gas Fluidization Technology (D. Geldart, ed.), Wiley and Sons, Chichester, 1986, p. 341.
21. M. J. Rhodes and D. Geldart, Powder Technol., 53(3), 155 (1987).
22. J. Yerushalmi, High velocity fluidized beds, in Gas Fluidization Technology (D. Geldart, ed.), Wiley and Sons, Chichester, 1986, p. 155.
23. R. Bader, J. Findlay, and T. M. Knowlton, Gas/solids flow patterns in a 30.5-cm-diameter circulating fluidized bed, in Circulating Fluidized Bed Technology II (P. Basu and J. F. Lange, eds.), 1988, p. 123.
24. D. Geldart, Particle entrainment and carryover, in Gas Fluidization Technology, (D. Geldart, ed.), 1986, p. 123.
25. Ref. 19, p. 201.
26. Ref. 19, p. 199.