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Expired Australian patentAustralia

Preparation process of N-ACYLPHENYLALANINES

AU 1985039984 · Applicant: Mitsui Toatsu Chemicals Inc

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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 March 5, 1985 and granted February 29, 1988. 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 March 5, 2006.
  • A pharmaceutical extension adds at most five years, so even that would have ended by March 5, 2011.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 5, 1985
GrantedFebruary 29, 1988
Term ended byMarch 5, 2006
Application numberAU 1985039984
Classification (IPC)C07C233/12 +1 more

Timeline

Timeline From IP Australia dates

1986198919921995199820012004Application filedMarch 5, 1985Patent grantedFeb 29, 1988Term ended byMarch 5, 2006

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.