Expired Canadian patentCanada
(gem-heterocyclodimethanamine-n,n')platinum complexes
CA 1297113 C · Owner: Child, Ralph G. · Inventors: Lin, Yang-I; Hlavka, Joseph J.; Child, Ralph G.
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Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Gem-HETEROCYCLODIMETHANAMINE-N,N')PLATINUM COMPLEXES, ABSTRACT OF THE DISCLOSURE, Organic platinum complexes active as anti-tumor agents in warm-blooded animals, and methods for synthesis of same, are described.
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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 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 2009.
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FiledJanuary 29, 1987
GrantedMarch 10, 1992
Term endedMarch 10, 2009
Patent numberCA 1297113 C
Classification (IPC)C07F15/00 +2 more
Timeline
Timeline From CIPO dates
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.