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Last Updated: March 29, 2024

Details for Patent: 7,851,482


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Which drugs does patent 7,851,482 protect, and when does it expire?

Patent 7,851,482 protects OPANA ER and is included in one NDA.

This patent has seventeen patent family members in twelve countries.

Summary for Patent: 7,851,482
Title:Method for making analgesics
Abstract: Improved analgesic oxymorphone hydrochloride contains less than 10 ppm of alpha, beta unsaturated ketones and pharmaceutical preparations comprising such oxymorphone hydrochloride. The oxymorphone hydrochloride is produced by reducing a starting material oxymorphone hydrochloride using gaseous hydrogen and under specified acidity, solvent system and temperature conditions. A specific polymorph of oxymorphone hydrochloride may be obtained by hydration.
Inventor(s): Dung; Jen-Sen (Boothwyn, PA), Keskeny; Erno M. (Wilmington, DE), Mencel; James J. (North Wales, PA)
Assignee: Johnson Matthey Public Limited Compnay (London, GB)
Application Number:11/866,840
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,851,482
Patent Claim Types:
see list of patent claims
Compound; Composition; Formulation; Use; Process;

Drugs Protected by US Patent 7,851,482

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 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 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 201655-003 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 201655-004 Dec 9, 2011 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: 7,851,482

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom0624880.1Dec 14, 2006

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