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Generated: October 22, 2018

DrugPatentWatch Database Preview

Details for Patent: 6,939,964

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Which drugs does patent 6,939,964 protect, and when does it expire?

Patent 6,939,964 protects SUSTIVA and ATRIPLA and is included in three NDAs.

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

This patent has forty-two patent family members in twenty countries.

Summary for Patent: 6,939,964
Title: Crystal forms of (-)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1-ben zoxazin-2-one
Abstract:The instant invention describes a method for crystallizing (-)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1-ben zoxazin-2-one from a solvent and anti-solvent solvent system and producing the crystalline product. The desired final crystal form, Form I, can be produced when using methanol or ethanol. Form II is isolated from 2-propanol and can be converted to the desired crystal form at low drying temperatures, such as between about a temperature of 40.degree. C. and 50.degree. C.
Inventor(s): Crocker; Louis S. (Belle Mead, NJ), Kukura, II; Joseph L. (Somerset, NJ), Thompson; Andrew S. (Mountainside, NJ), Stelmach; Christine (Westfield, NJ), Young; Steven D. (Lansdale, PA)
Assignee: Merck & Co., Inc. (Rahway, NJ)
Application Number:10/891,749
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,939,964
Patent Claim Types:
see list of patent claims
Compound;

Drugs Protected by US Patent 6,939,964

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
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
Gilead Sciences ATRIPLA efavirenz; emtricitabine; tenofovir disoproxil fumarate TABLET;ORAL 021937-001 Jul 12, 2006 AB RX Yes Yes ➤ Try a Free Trial ➤ Try a Free Trial Y ➤ Try a Free Trial
Bristol Myers Squibb SUSTIVA efavirenz TABLET;ORAL 021360-001 Feb 1, 2002 DISCN Yes No ➤ 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 Submissiondate

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International Family Members for US Patent 6,939,964

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 486065 ➤ Try a Free Trial
Australia 6263298 ➤ Try a Free Trial
Australia 738545 ➤ Try a Free Trial
Canada 2279198 ➤ Try a Free Trial
China 1073991 ➤ 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:

Farmers Insurance
Fish and Richardson
QuintilesIMS
US Department of Justice
Deloitte
AstraZeneca
Baxter
Covington
Cantor Fitzgerald

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