Film coating

Details Film coating Film coating

2011-06-14

2011-06-14

Fubara, Blessing M (Department: 1613)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

C424S490000, C424S473000

Reexamination Certificate

active

07959947

ABSTRACT:
A film coating composition suitable for use in coating pharmaceutical formulations comprising a) an acrylic polymer dispersion, e.g. an ethylacrylate/methylmethacrylate copolymer such as Eudragit NE30D, b) a surfactant, c) sodium stearyl fumarate, and d) a water-containing liquid useful for the achievement of controlled release from pharmaceutical formulations such as tablets, pellets, etc.

REFERENCES:
patent: 3341338 (1967-09-01), Pater
patent: 3371015 (1968-02-01), Sjogren et al.
patent: 3775537 (1973-11-01), Lehmann et al.
patent: 4330338 (1982-05-01), Banker
patent: 4353887 (1982-10-01), Hess et al.
patent: 4798724 (1989-01-01), Khanna
patent: 4800087 (1989-01-01), Mehta
patent: 4871546 (1989-10-01), Feltz et al.
patent: 4916171 (1990-04-01), Brown et al.
patent: 4927640 (1990-05-01), Dahlinder et al.
patent: 4957745 (1990-09-01), Jonsson et al.
patent: 4975283 (1990-12-01), Patell
patent: 5246714 (1993-09-01), Dahlinder et al.
patent: 5478573 (1995-12-01), Eichel et al.
patent: 5484597 (1996-01-01), Slavtcheff et al.
patent: 5594013 (1997-01-01), Trigger
patent: 5656296 (1997-08-01), Khan et al.
patent: 5681584 (1997-10-01), Savastano et al.
patent: 5871776 (1999-02-01), Mehta
patent: 5948438 (1999-09-01), Staniforth et al.
patent: 6008249 (1999-12-01), Gajdos et al.
patent: 6030988 (2000-02-01), Gilis et al.
patent: 6046177 (2000-04-01), Stella et al.
patent: 6627223 (2003-09-01), Percel et al.
patent: 6827947 (2004-12-01), Lofroth et al.
patent: 2004/0030033 (2004-02-01), Löfroth et al.
patent: 2005/0089574 (2005-04-01), Lofroth et al.
patent: 2005/0238719 (2005-10-01), Buzsaky
patent: 2005/0256255 (2005-11-01), Karlsson et al.
patent: 0 173 928 (1986-03-01), None
patent: 0 313 845 (1989-05-01), None
patent: 0 431 877 (1991-06-01), None
patent: 0 463 877 (1994-01-01), None
patent: 0621032 (1994-10-01), None
patent: 0 878 234 (1961-09-01), None
patent: WO 96/11675 (1996-04-01), None
patent: WO 02/058677 (2002-08-01), None
Lin et al. (“study of Crystallization of Endogenous Surfactant in EUDRAGIT NE30D-Free films and its Influence on Drug-Release Properties of controlled-Release Diphenhydramine HCI pellets coated with EUDRAGIT NE30D,” in AAPS Pharmsci 2001: 3(2) article 14, provided by applicant in form 1449).
Handbook of pharmaceutical excipients, 4th eddition, 2003 provided by applicant.
Sandberg, A. et al., “Design of a New Multiple-Unit Controlled-Release Formulation of Metoprolol—Metoprolol CR”, European Journal of Clinical Pharmacology (1988)33 [Suppl] S3-S7.
Ragnarsson, G. et al., “Development of a New Controlled Release Metoprolol Product”, Drug Development and Industrial Pharmacy, 13(9-11), 1495-1509 (1987).
Z.M. Mathir et al., “In vitro characterization a controlled-release chlorpheniramine maleate delivery system prepared by the air suspension technique”,J. Microencapsulation, 1997, vol. 14, No. 6, 743-751.
H-U Petereit et al., “Formulation and process consideration affecting the stability of solid dosage forms formulated with methacrylate copolymers”,European Journal of Pharmaceutics and Biopharmaceutics., 47 (1999) 15-25.
M. Wessling et al., “Tackiness of acrylic and cellulosic polymer films used in the coating of solid dosage forms”,European Journal of Pharmaceutics and Biopharmaceutics., 47 (1999) 73-78.
A.Y. Lin et al., “Study of crystallization of endogenous surfactant in Eudragit NE30D-free films and its influence on drug release properties of controlled-release diphenhydramine HCI pellets coated with Eudragit NE #)D”,AAPS Pharmsci 2001; 3(2) article 14.

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