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Expired Australian patentAustralia

Process for the preparation of polyol fatty acid esters

AU 1988019163 · Applicant: Unilever Plc

AusPat record

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Its specification, documents and status are on IP Australia's AusPat.

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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 July 19, 1988 and granted August 20, 1990. 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 July 19, 2009.
  • A pharmaceutical extension adds at most five years, so even that would have ended by July 19, 2014.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 19, 1988
GrantedAugust 20, 1990
Term ended byJuly 19, 2009
Application numberAU 1988019163
Classification (IPC)C07C69/33 +2 more

Timeline

Timeline From IP Australia dates

1989199219951998200120042007Application filedJuly 19, 1988Patent grantedAug 20, 1990Term ended byJuly 19, 2009

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.