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Expired Australian patentAustralia

Catalyst support method for making a precursor gel for a catatyst support

AU 1994069271 · Applicant: Solvay Polyolefins Europe Belgium Societe Anonyme

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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 May 10, 1994 and granted August 7, 1997. 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 May 10, 2015.
  • A pharmaceutical extension adds at most five years, so even that would have ended by May 10, 2020.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 10, 1994
GrantedAugust 7, 1997
Term ended byMay 10, 2015
Application numberAU 1994069271
Classification (IPC)C08F4/22 +2 more

Timeline

Timeline From IP Australia dates

1995199820012004200720102013Application filedMay 10, 1994Patent grantedAug 7, 1997Term ended byMay 10, 2015

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.