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Details for Patent: 5,837,284

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Summary for Patent: 5,837,284

Title: Delivery of multiple doses of medications
Abstract:Dosage forms for oral administration of a methylphenidate drug are provided. The dosage forms provide a substantially immediate dose of methylphenidate upon ingestion, followed by one or more additional doses at predetermined times. By providing such a drug release profile, the dosage forms eliminate the need for a patient to carry an additional dose for ingestion during the day. The dosage forms and methods provided are useful in administering methylphenidate and pharmaceutically acceptable salts thereof, which generally require one or more doses throughout the day.
Inventor(s): Mehta; Atul M. (Ramsey, NJ), Zeitlin; Andrew L. (Millington, NJ), Dariani; Maghsoud M. (Fanwood, NJ)
Assignee:
Application Number:08/892,190
Patent Claim Types:
see list of patent claims
Compound; Dosage form; Composition;

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International Patent Family for Patent: 5,837,284

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria306266► Subscribe
Austria368458► Subscribe
Australia2002318302► Subscribe
Australia738521► Subscribe
Australia738744► 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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