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Details for Patent: 8,846,091

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Patent 8,846,091 protects TARGINIQ and is included in one NDA.

This patent has ninety-one patent family members in twenty-eight countries.

Summary for Patent: 8,846,091

Title:Matrix for sustained, invariant and independent release of active compounds
Abstract: The invention concerns a storage stable pharmaceutical formulation comprising preferably two active compounds in a non-swellable diffusion matrix, whereby the compounds are released from the matrix in a sustained, invariant and, if several compounds are present, independent manner and the matrix is determined with respect to its substantial release characteristics by ethylcellulose and at least one fatty alcohol. The invention also concerns methods for producing such pharmaceutical formulations.
Inventor(s): Brogmann; Bianca (Ulm, DE), Muhlah; Silke (Biberach, DE), Spitzley; Christof (Elbtal, DE)
Assignee: Euro-Celtique S.A. (Luxembourg, LU)
Application Number:14/058,108
Patent Claim Types:
see list of patent claims
Formulation; Compound; Dosage form;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 0th percentile
Forward Citations: 5th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Purdue Pharma Lp
TARGINIQ
naloxone hydrochloride; oxycodone hydrochloride
TABLET, EXTENDED RELEASE;ORAL205777-001Jul 23, 2014DISCNNo8,846,091► subscribeY
Purdue Pharma Lp
TARGINIQ
naloxone hydrochloride; oxycodone hydrochloride
TABLET, EXTENDED RELEASE;ORAL205777-002Jul 23, 2014DISCNNo8,846,091► subscribeY
Purdue Pharma Lp
TARGINIQ
naloxone hydrochloride; oxycodone hydrochloride
TABLET, EXTENDED RELEASE;ORAL205777-003Jul 23, 2014DISCNNo8,846,091► subscribeY
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Foreign Priority and PCT Information for Patent: 8,846,091

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany102 15 067Apr 5, 2002
Germany102 15 131Apr 5, 2002

Non-Orange Book Patents for Patent: 8,846,091

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
8,846,090Matrix for sustained, invariant and independent release of active compounds► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: 8,846,091

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Morocco27116► subscribe
European Patent Office2308474► subscribe
European Patent Office2308475► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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