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Australian application, no grantAustralia

Stabilized compositions of polymers of olefinically unsaturated hydrocarbons and process forthe preparation thereof

AU 1963028743 · Applicant: Shell Internationale Research Maatschappu N V

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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 March 25, 1963. Even if it was granted, its term would have ended by March 25, 1984.
  • A pharmaceutical extension adds at most five years, so even that would have ended by March 25, 1989.
  • 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 25, 1963
GrantedNo grant recorded
Term ended byMarch 25, 1984
Application numberAU 1963028743
Classification (IPC)C08L23/12 +2 more

Timeline

Timeline From IP Australia dates

1964196719701973197619791982Application filedMarch 25, 1963Term ended byMarch 25, 1984

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.