Last Updated: September 24, 2026

Details for Patent: 6,355,656

Name: Drug Patent Intelligence for US Patent 6355656
Creator: DrugPatentWatch
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Summary for Patent: 6,355,656

Title:	Phenidate drug formulations having diminished abuse potential
Abstract:	Phenidate drug formulations are provided having reduced potential for drug abuse. Dosage forms for treating Attention Deficit Disorder, Attention Deficit Hyperactivity Disorder, AIDS Dementia Complex and cognitive decline in HIV-AIDS are provided which minimize drug hypersensitivity, toxicity, side effects, euphoric effect, and drug abuse potential. Such dosage forms comprise D-threo stereoisomer of a phenidate in the substantial absence of all other stereoisomers.
Inventor(s):	Andrew L. Zeitlin, Maghsoud M. Dariani
Assignee:	Celgene Corp
Application Number:	US09/318,151
Patent Claim Types: see list of patent claims	Compound; Dosage form;

Drugs Protected by US Patent 6,355,656

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>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 6,355,656

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	306266	⤷ Start Trial
Austria	368458	⤷ Start Trial
Australia	2002318302	⤷ Start Trial
Australia	738521	⤷ Start Trial
Australia	738744	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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