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Serving hundreds of leading biopharmaceutical companies globally:

Mallinckrodt
Federal Trade Commission
Healthtrust
Accenture
Covington
McKinsey
Moodys
US Department of Justice
Colorcon

Generated: May 23, 2018

DrugPatentWatch Database Preview

Details for Patent: 6,555,133

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Which drugs does patent 6,555,133 protect, and when does it expire?

Patent 6,555,133 protects SUSTIVA and is included in one NDA.

Protection for SUSTIVA has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has thirty-two patent family members in twenty-six countries.
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 Patent Submitted
Bristol Myers Squibb SUSTIVA efavirenz CAPSULE;ORAL 020972-001 Sep 17, 1998 AB RX Yes No ➤ Try a Free Trial ➤ Try a Free Trial Y ➤ Try a Free Trial
Bristol Myers Squibb SUSTIVA efavirenz CAPSULE;ORAL 020972-002 Sep 17, 1998 DISCN Yes No ➤ Try a Free Trial ➤ Try a Free Trial Y ➤ Try a Free Trial
Bristol Myers Squibb SUSTIVA efavirenz CAPSULE;ORAL 020972-003 Sep 17, 1998 AB RX Yes Yes ➤ Try a Free Trial ➤ Try a Free Trial Y ➤ Try a Free Trial
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Non-Orange Book US Patents Family Members for Patent 6,555,133

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
6,238,695 Formulation of fast-dissolving efavirenz capsules or tablets using super-disintegrants ➤ Try a Free Trial
Patent No. Title Estimated Patent Expiration

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International Family Members for US Patent 6,555,133

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 019031 ➤ Try a Free Trial
Austria 223719 ➤ Try a Free Trial
Australia 3463799 ➤ Try a Free Trial
Australia 756422 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Dow
Express Scripts
Medtronic
Chubb
Boehringer Ingelheim
Farmers Insurance
Baxter
Merck
Citi

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