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Last Updated: April 29, 2024

Details for Patent: 8,551,522

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Summary for Patent: 8,551,522

Title:	Sustained-release formulation
Abstract:	A sustained-release formulation is provided comprising a solid dispersion composition comprising a tricyclic compound or a pharmaceutically acceptable salt thereof in a mixture comprising a water-soluble polymer and a water-insoluble polymer, and an excipient.
Inventor(s):	Yamashita; Kazunari (Kyota, JP), Hashimoto; Eiji (Wakayama, JP), Nomura; Yukihiro (Osaka, JP), Shimojo; Fumio (Hyogo, JP), Tamura; Shigeki (Osaka, JP), Hirose; Takeo (Kyoto, JP), Ueda; Satoshi (Hyogo, JP), Saitoh; Takashi (Osaka, JP), Ibuki; Rinta (Kyoto, JP), Ideno; Toshio (Osaka, JP)
Assignee:	Astellas Pharma Inc. (Tokyo, JP)
Application Number:	12/265,108
Patent Claim Types: see list of patent claims	Composition; Formulation; Dosage form;

Drugs Protected by US Patent 8,551,522

Glossary

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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

Foreign Priority and PCT Information for Patent: 8,551,522

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Japan	10-079039	Mar 26, 1998
Japan	10-182963	Jun 29, 1998

International Family Members for US Patent 8,551,522

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Argentina	023299	⤷ Try a Trial
Austria	269075	⤷ Try a Trial
Austria	464900	⤷ Try a Trial
Austria	514419	⤷ Try a Trial
Australia	2856399	⤷ Try a Trial
Australia	749623	⤷ Try a Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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