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Last Updated: July 23, 2021

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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

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
Japan10-079039Mar 26, 1998
Japan10-182963Jun 29, 1998

International Family Members for US Patent 8,551,522

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

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Serving leading biopharmaceutical companies globally:

Johnson and Johnson
Express Scripts

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