Last Updated: August 8, 2026

Details for Patent: 6,544,559

Name: Drug Patent Intelligence for US Patent 6544559
Creator: DrugPatentWatch
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Summary for Patent: 6,544,559

Title:	Microencapsulated 3-piperidinyl-substituted 1,2-benzisoxazoles and 1,2-benzisothiazoles
Abstract:	Sustained-release microparticle composition. The microparticle composition can be formulated to provide multi-phasic release. In one aspect, the composition includes microparticles having more than one rate of release. In another aspect, the composition includes microparticles that exhibit diffusional release and microparticles that exhibit biodegradation release.
Inventor(s):	Jean Mesens, Michael E. Rickey, Thomas J. Atkins
Assignee:	Janssen Pharmaceutica NV , Alkermes Inc
Application Number:	US10/058,072
Patent Claim Types: see list of patent claims	Composition;
Patent landscape, scope, and claims:	error: insufficient information More… ↓ ⤷ Start Trial

Drugs Protected by US Patent 6,544,559

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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 6,544,559

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	288270	⤷ Start Trial
Australia	694147	⤷ Start Trial
Australia	8142594	⤷ Start Trial
Bulgaria	100632	⤷ Start Trial
Bulgaria	63246	⤷ Start Trial
Canada	2175370	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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