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Serving leading biopharmaceutical companies globally:

Express Scripts

Last Updated: September 27, 2020

DrugPatentWatch Database Preview

Details for Patent: 8,604,020

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Which drugs does patent 8,604,020 protect, and when does it expire?

Patent 8,604,020 protects BESIVANCE and is included in one NDA.

This patent has eleven patent family members in ten countries.

Summary for Patent: 8,604,020
Title:Fluoroquinolone carboxylic acid molecular crystals
Abstract: Disclosed herein is a molecular crystal form of (R)-(+)-7-(3-amino-2,3,4,5,6,7-hexahydro-1H-azepin-1-yl)-1-cyclopropyl-8-- chloro-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid. The molecular crystal is characterized by at least one of: (a) an X-ray powder diffraction ("XRPD") spectrum that comprises peaks at 2.theta. angles of 10.6, 15, 19.7, 21.1, and; (b) a DSC melting peak at C.; (c) a .sup.13C NMR spectrum having peaks at 23.3, 27.7, 41.1, 54.5, 116.6, and 153.5 ppm; and (d) pKa values of 5.65 and 9.91. The compound belongs to the class of fluoroquinolones and is useful as an antibacterial agent.
Inventor(s): King, Jr.; Harry M. (Webster, NY)
Assignee: Bausch & Lomb Incorporated (Rochester, NY)
Application Number:13/826,469
Patent Claim Types:
see list of patent claims
Composition; Compound;

Drugs Protected by US Patent 8,604,020

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Bausch And Lomb BESIVANCE besifloxacin hydrochloride SUSPENSION/DROPS;OPHTHALMIC 022308-001 May 28, 2009 RX Yes Yes   Start Trial   Start Trial Y   Start Trial
>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 8,604,020

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 075926   Start Trial
Brazil PI1009849   Start Trial
Canada 2756769   Start Trial
China 102369189   Start Trial
European Patent Office 2411369   Start Trial
Japan 2012521433   Start Trial
>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
Boehringer Ingelheim

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