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Expired Australian patentAustralia

N-hydroxy-2-alkyl aryl or heteroaryl sulfanyl sulfinyl or sulfonyl-3-substituted-alkyl aryl or heteroarylamides as matrix metalloproteinase inhibitors

AU 1998091201 · Applicant: American Cyanamid Company

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Listed from its IP Australia record in Patent Yard's archive of Australian patents past their term. Its claims, description and drawings are in the AusPat record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed August 26, 1998 and granted June 19, 2003. An Australian standard patent lasts 20 years from its date of patent, which is at most a year after this filing, so its term ended by August 26, 2019.
  • A pharmaceutical extension adds at most five years, so even that would have ended by August 26, 2024.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 26, 1998
GrantedJune 19, 2003
Term ended byAugust 26, 2019
Application numberAU 1998091201
Classification (IPC)A61K31/428 +2 more

Timeline

Timeline From IP Australia dates

1999200220052008201120142017Application filedAug 26, 1998Patent grantedJune 19, 2003Term ended byAug 26, 2019

Sources & verification

Everything on this page comes from the IP Australia record linked above. Data from IP Australia's IPGOD, licensed under CC BY 2.5 AU.