Last Updated: November 13, 2026

Details for Patent: 8,420,676

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Summary for Patent: 8,420,676
Title:Oxazolidinone derivatives
Abstract:The present invention relates to novel derivatives of oxazolidinone, a method thereof and pharmaceutical compositions comprising the derivatives for use in an antibiotic. The oxazolidinone derivatives of the present invention show inhibitory activity against a broad spectrum of bacteria and lower toxicity. The prodrugs, prepared by reacting the compound having hydroxyl group with amino acid or phosphate, have an excellent efficiency on solubility thereof against water. Further, the derivatives of the present invention may exert potent antibacterial activity versus various human and animal pathogens, including Gram-positive bacteria such as, Staphylococci, Enterococci and Streptococci anaerobic microorganisms such as Bacteroides and Clostridia, and acid-resistant microorganisms such as Mycobacterium tuberculosis and Mycobacterium avium. Accordingly, the compositions comprising the oxazolidinone are used in an antibiotic.
Inventor(s):Jae Keol Rhee, Weon Bin Im, Chong Hwan Cho, Sung Hak Choi, Tae Ho Lee
Assignee: Dong-A ST Co Ltd
Application Number:US12/211,655
Patent Claim Types:
see list of patent claims
Use; Composition;

Drugs Protected by US Patent 8,420,676

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Cubist Pharms Llc SIVEXTRO tedizolid phosphate POWDER;INTRAVENOUS 205436-001 Jun 20, 2014 RX Yes Yes 8,420,676 ⤷  Start Trial Y Y METHOD OF TREATING BACTERIAL INFECTIONS ⤷  Start Trial
Cubist Pharms Llc SIVEXTRO tedizolid phosphate TABLET;ORAL 205435-001 Jun 20, 2014 RX Yes Yes 8,420,676 ⤷  Start Trial Y Y METHOD OF TREATING BACTERIAL INFECTIONS ⤷  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

Foreign Priority and PCT Information for Patent: 8,420,676

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
South Korea10-2003-0093342Dec 18, 2003
South Korea10-2004-0058809Jul 27, 2004

International Family Members for US Patent 8,420,676

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office 1699784 ⤷  Start Trial C300759 Netherlands ⤷  Start Trial
European Patent Office 1699784 ⤷  Start Trial PA2015032 Lithuania ⤷  Start Trial
European Patent Office 1699784 ⤷  Start Trial 92834 Luxembourg ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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