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Expired Australian patentAustralia

Liquid compositions comprising hydrophobically modified polyalkylene glycols as mildness actives

AU 1997020249 · Applicant: Unilever Plc

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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 6, 1997 and granted January 25, 2001. 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 6, 2018.
  • A pharmaceutical extension adds at most five years, so even that would have ended by March 6, 2023.
  • 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 6, 1997
GrantedJanuary 25, 2001
Term ended byMarch 6, 2018
Application numberAU 1997020249
Classification (IPC)C11D1/94 +2 more

Timeline

Timeline From IP Australia dates

1998200120042007201020132016Application filedMarch 6, 1997Patent grantedJan 25, 2001Term ended byMarch 6, 2018

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.