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Serving hundreds of leading biopharmaceutical companies globally:

Cerilliant
Cipla
Johnson and Johnson
Colorcon
Julphar
Dow
Daiichi Sankyo
Citi
Medtronic

Generated: May 21, 2018

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 22.degree..+-.0.2.degree.; (b) a DSC melting peak at 288.degree. 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 Patent Submitted
Bausch And Lomb BESIVANCE besifloxacin hydrochloride SUSPENSION/DROPS;OPHTHALMIC 022308-001 May 28, 2009 RX Yes Yes ➤ Try a Free Trial ➤ Try a Free Trial Y ➤ Try a Free Trial
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Non-Orange Book US Patents Family Members for Patent 8,604,020

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
8,481,526 Fluoroquinolone carboxylic acid molecular crystals ➤ Try a Free Trial
Patent No. Title Estimated Patent Expiration

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International Family Members for US Patent 8,604,020

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 075926 ➤ Try a Free Trial
Brazil PI1009849 ➤ Try a Free Trial
Canada 2756769 ➤ Try a Free Trial
China 102369189 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Queensland Health
QuintilesIMS
Daiichi Sankyo
Healthtrust
Mallinckrodt
Dow
Harvard Business School
McKesson
Argus Health

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