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Details for Patent: 6,039,974

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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;

Drugs Protected by US Patent 6,039,974

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate

International Family Members for US Patent 6,039,974

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Argentina	013947
Austria	238773
Australia	725811
Australia	8582098