Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Patent
1992-12-02
1994-04-05
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
424484, 424489, 514557, A61K 914, A61K 920
Patent
active
053003012
ABSTRACT:
Ibuprofen is isolated from tablets or other solids by dissolving the ibuprofen in an alkane or cycloalkane solvent, filtering off undissolved solid, and stripping the solvent from the ibuprofen by evaporation or by recrystallization at low temperatures.
REFERENCES:
patent: 4476248 (1984-10-01), Gordon et al.
patent: 5151551 (1992-09-01), Zey et al.
patent: 5189208 (1993-02-01), Stahly
Lakin Michael B.
Shockley Thomas H.
Zey Edward G.
Cassady Donald R.
Hoechst Celanese Corporation
Mazzarese Joseph M.
Mullen James J.
Page Thurman K.
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