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Details for Patent: 6,039,974

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Patent 6,039,974 protects ALLEGRA-D 12 HOUR ALLERGY AND CONGESTION and is included in one NDA. There are three tentative approvals for the compound protected by this patent. Additional details are available via the generic ingredient links below.

This patent has thirty-five patent family members in twenty-eight countries.

Summary for Patent: 6,039,974

Title: Pharmaceutical composition for combination of piperidinoalkanol-decongestant
Abstract:The present invention provides a pharmaceutical composition in the form of a bilayer tablet comprising, (a) a first discrete zone made with Formulation (A) which comprises, a therapeutically effective decongestant amount of a sympathomimetic drug, or a pharmaceutically acceptable salt thereof, in an amount of about 18% to about 39% by weight of Formulation (A), and a first carrier base material, the first carrier base material comprising a mixture of; (I) carnauba wax in an amount of about 59% to about 81% by weight of Formulation (A); and (ii) a suitable antiadherent in an amount of about 0.25% to about 2.00% by weight of Formulation (A); wherein said first carrier base material provides a sustained release of the sympathomimetic drug; and (b) a second discrete zone made with Formulation (B) which comprises a therapeutically effective antihistaminic amount of a piperidinoalkanol, or a pharmaceutically acceptable salt thereof, in an amount of about 15% to about 30% by weight of Formulation (B) and a second carrier base material, the second carrier base comprising a mixture of; (I) a cellulose diluent in an amount of about 27% to about 73% by weight of Formulation (B); (ii) pregelatinized starch in an amount of about 15% to about 30% by weight of Formulation (B); (iii) a suitable disintegrant in an amount of about 0.25% to about 6.00% by weight of Formulation (B); and (iv) a suitable lubricant in an amount of about 0.25% to about 2.00% by weight of Formulation (B); wherein said second carrier base material provides an immediate release of the piperidinoalkanol or the pharmaceutically acceptable salt thereof.
Inventor(s): MacLaren; David D. (Overland Park, KS), Lefler; John R. (Overland Park, KS), Minish; Sharon K. (Independence, MO)
Assignee: Hoechst Marion Roussel, Inc. (Bridgewater, NJ)
Application Number:09/127,478
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Compound;
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 77th percentile
Forward Citations: 2nd percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Sanofi Aventis Us
ALLEGRA-D 12 HOUR ALLERGY AND CONGESTION
fexofenadine hydrochloride; pseudoephedrine hydrochloride
TABLET, EXTENDED RELEASE;ORAL020786-002Jan 24, 2011OTCYes6,039,974► subscribeY
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International Patent Family for Patent: 6,039,974

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina013947► subscribe
Austria238773► subscribe
Australia725811► 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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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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