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Expired Canadian patentCanada

Pt(iv) complexes

CA 1340286 C · Owner: Murrer, Barry A. · Inventors: Vollano, Jean F.; Giandomenico, Christen M.; Abrams, Michael J.

CIPO record

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Abstract From the Canadian patent

A Pt(IV) complex of the formula, <see Fig.1> wherein A and A' are NH3 or an amino group; R and R1 are hydrogen, alkyl, alkenyl, aryl, aralkyl alkylamino or alkoxy or functionalized derivatives thereof; and X is halogen or alkyl mono- or dicarboxylate. The complexes have high antitumor activity, particularly when administered orally.

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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 December 22, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 22, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 1, 1989
GrantedDecember 22, 1998
Term endedDecember 22, 2015
Patent numberCA 1340286 C
Classification (IPC)C07F15/00 +2 more

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedFeb 1, 1989Patent grantedDec 22, 1998Term endedDec 22, 2015

Sources & verification

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