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Last Updated: March 29, 2024

Details for Patent: 8,871,779


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Which drugs does patent 8,871,779 protect, and when does it expire?

Patent 8,871,779 protects OPANA ER and is included in two NDAs.

This patent has eleven patent family members in nine countries.

Summary for Patent: 8,871,779
Title:Process for preparing morphinan-6-one products with low levels of .alpha.,.beta.-unsaturated ketone compounds
Abstract: The present invention generally relates to processes for preparing highly pure morphinan-6-one products. The processes involve reducing the concentration of .alpha.,.beta.-unsaturated ketone compounds present as impurities in morphinan 6 one products or reaction mixtures including morphinan 6 one compounds by treatment with a sulfur-containing compound. (A) ##STR00001##
Inventor(s): Buehler; Henry J. (St. Louis, MO), Dummitt; William E. (St. Louis, MO), Mannino; Anthony (Maryland Heights, MO), Aubuchon; Dennis C. (Arnold, MO), Gu; Hong (Oak Park, CA)
Assignee: Mallinckrodt LLC (Hazelwood, MO)
Application Number:11/915,606
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,871,779
Patent Claim Types:
see list of patent claims
Compound; Formulation;

Drugs Protected by US Patent 8,871,779

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Endo Pharms OPANA ER oxymorphone hydrochloride TABLET, EXTENDED RELEASE;ORAL 021610-001 Jun 22, 2006 DISCN Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Endo Pharms OPANA ER oxymorphone hydrochloride TABLET, EXTENDED RELEASE;ORAL 201655-001 Dec 9, 2011 DISCN Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Endo Pharms OPANA ER oxymorphone hydrochloride TABLET, EXTENDED RELEASE;ORAL 021610-005 Feb 29, 2008 DISCN Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Endo Pharms OPANA ER oxymorphone hydrochloride TABLET, EXTENDED RELEASE;ORAL 201655-002 Dec 9, 2011 DISCN Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Endo Pharms OPANA ER oxymorphone hydrochloride TABLET, EXTENDED RELEASE;ORAL 021610-002 Jun 22, 2006 DISCN Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a 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

Foreign Priority and PCT Information for Patent: 8,871,779

PCT Information
PCT FiledMarch 02, 2007PCT Application Number:PCT/US2007/005256
PCT Publication Date:September 13, 2007PCT Publication Number: WO2007/103105

International Family Members for US Patent 8,871,779

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria E448231 ⤷  Try a Trial
Australia 2007224221 ⤷  Try a Trial
Canada 2644095 ⤷  Try a Trial
China 101395159 ⤷  Try a Trial
Germany 602007003197 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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