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Expired Canadian patentCanada

Process for preparing lymphokine activated killer cells

CA 1296667 C · Owner: Terumo Kabushiki Kaisha · Inventors: Leung, Kam H.; Rinehart, John J.

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

There are disclosed an improved process for preparing lymphokine activated killer (LAK) cells from peripheral blood mononuclear cells a, composition consisting essentially of the LAK cells prepared from the disclosed process in a pharmaceutically acceptable carrier, and a method of treating cancer comprising administering the disclosed composition to a patient suffering from said cancer.

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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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 28, 1987
GrantedMarch 3, 1992
Term endedMarch 3, 2009
Patent numberCA 1296667 C
Classification (IPC)C12N5/07 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMay 28, 1987Patent grantedMarch 3, 1992Term endedMarch 3, 2009

Sources & verification

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