➤ Get the DrugPatentWatch Daily Briefing

Get Daily Updates on Generic Entry, Litigation, Biosimilars, and more …

Serving leading biopharmaceutical companies globally:

Mallinckrodt
Medtronic
Johnson and Johnson
Dow
McKesson
Baxter

Last Updated: July 23, 2021

DrugPatentWatch Database Preview

Details for Patent: 8,551,522


Email this page to a colleague

« Back to Dashboard

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

Make Better Decisions: Try a trial or see plans & pricing

Serving leading biopharmaceutical companies globally:

Dow
Johnson and Johnson
AstraZeneca
Medtronic
Moodys
Express Scripts

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 verification 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.