Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form
Reexamination Certificate
2007-05-22
2007-05-22
Hui, San-Ming (Department: 1617)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
C514S171000, C514S180000, C514S169000
Reexamination Certificate
active
10407380
ABSTRACT:
The present invention comprises a composition, method of enhancing potency and method of delivering corticosteroids in a vehicle comprising at least two penetration enhancers, and solvents and emulsifiers. The propylene glycol and penetration enhancers are present in ratio to the total of the propylene glycol, penetration enhancers, and solvents and emulsifiers of at least about 0.70.
REFERENCES:
patent: 3934013 (1976-01-01), Poulsen
patent: 0 020 794 (1981-01-01), None
patent: WO 91/08733 (1991-06-01), None
Physicians' Desk Reference, 51 Edition, pp. 2299-2300, for example.
Bennett et al., “Optimization of bioavailability of topical steroids: non-occluded penetration enhancers under thermodynamic control”, Journal of Pharmacy and Pharmacology, vol. 37, No. 5, 1985, pp. 298-304.
Gans Eugene H.
Wortzman Mitchell S.
Hank Maryellen Feehery
Hui San-Ming
McNichol, Jr. William J.
Medicis Pharmaceutical Corporation
Reed Smith LLP
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