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Last Updated: October 24, 2020

DrugPatentWatch Database Preview

Details for Patent: 6,555,133

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Summary for Patent: 6,555,133
Title: Formulation of fast-dissolving efavirenz capsules or tablets using super-disintegrants
Abstract:The present invention provides improved oral dosage form formulations of efavirenz that are useful in the inhibition of human immunodeficiency virus (HIV), the prevention or treatment of infection by HIV, and in the treatment of the resulting acquired immune deficiency syndrome (AIDS). In particular, the present invention relates to compressed tablets or capsules comprising efavirenz that contain one or more disintegrants that enhance the dissolution rate of the efavirenz in the gastrointestinal tract thereby improving the rate and extent of absorption of efavirenz in the body. The present invention also relates to the process of making such tablets or capsules.
Inventor(s): Makooi-Morehead; William T. (Wallingford, PA), Buehler; John D. (Ambler, PA), Landmann; Brian R. (Hoboken, NJ)
Assignee: Bristol-Myers Squibb Company (Princeton, NJ)
Application Number:09/824,071
Patent Claim Types:
see list of patent claims
Use; Dosage form; Formulation; Composition;

Drugs Protected by US Patent 6,555,133

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 6,555,133

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 019031   Start Trial
Austria 223719   Start Trial
Australia 3463799   Start Trial
Australia 756422   Start Trial
Brazil 9908810   Start Trial
Canada 2321523   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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