Pharmaceutical emulsions for retroviral protease inhibitors

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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Details

C424S450000

Reexamination Certificate

active

06956048

ABSTRACT:
The present invention provides an emulsion formulation with high oral bioavailability containing lecithin as an emulsifier and solubilizing agent to achieve a high loading of the pyranone compound of formula I

REFERENCES:
patent: 5616342 (1997-04-01), Lyons
patent: 5665700 (1997-09-01), Cho et al.
patent: 5693337 (1997-12-01), Suzuki et al.
patent: 5852195 (1998-12-01), Romines et al.
patent: 5952383 (1999-09-01), Metziger et al.
patent: 2 257 359 (1993-01-01), None
patent: WO91/14429 (1991-10-01), None
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patent: WO98/22106 (1998-05-01), None
patent: WO98/37869 (1998-09-01), None
patent: WO 99 06043 (1999-02-01), None
patent: WO99/06043 (1999-02-01), None
patent: WO 99 06044 (1999-02-01), None
patent: WO99/06044 (1999-02-01), None
Remington's Pharmaceutical Sciences, 18th ed., p. 1172, 1286, 1316 and 1317.

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