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Expired Canadian patentCanada

Thermostable human cu/zn superoxide dismutase muteins

CA 1289092 C · Owner: Novartis Vaccines And Diagnostics, Inc. · Inventors: Tekamp-Olson, Patricia; Hallewell, Robert A.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Cu/Zn, SUPEROXIDE DISMUTASE MUTEINS Abstract, Thermostable muteins of human Cu/Zn superoxide dismutase (hSOD) in which one or both of the free cysteine residues at positions 6 and 111 are replaced with an uncharged amino acid. hSOD Ala6 hSOD Serlll, and hSOD Ala6 Serlll are specifically exemplified.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted September 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 12, 1988
GrantedSeptember 17, 1991
Term endedSeptember 17, 2008
Patent numberCA 1289092 C
Classification (IPC)C12N9/02 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedJan 12, 1988Patent grantedSep 17, 1991Term endedSep 17, 2008

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.