Pharmaceutical formulation

Details Pharmaceutical formulation Pharmaceutical formulation

2008-03-04

2008-03-04

Richter, Johann R. (Department: 1616)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

C424S465000, C424S468000, C424S484000, C424S488000, C514S777000, C514S781000, C514S960000, C514S369000, C514S355000, C514S563000

Reexamination Certificate

active

07338667

ABSTRACT:
The present invention concerns an extended release formulation having an accelerating erosion and/or dissolution rate of the surface of the formulation. The formulation comprises a drug having low solubility in water dispersed or dissolved in at least one erasable hydrophilic polymeric matrix.

REFERENCES:
patent: 4803081 (1989-02-01), Falk et al.
patent: 5451409 (1995-09-01), Rencher et al.
patent: 5593695 (1997-01-01), Merrill et al.
patent: 6132772 (2000-10-01), Sherman
patent: 6555139 (2003-04-01), Sharma
patent: 0 776 660 (1997-06-01), None
patent: 0 852 141 (1998-07-01), None
patent: WO 99/01121 (1999-01-01), None
International-Type Search Report dated Sep. 28, 2001 issued in the parent application's (U.S. Appl. No. 09/788,414) Swedish counterpart (i.e., No. 0004671-4).

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