Expired Canadian patentCanada
Treatment of differentiated carcinoma or melanoma using dequalinium
CA 1297022 C · Owner: Weiss, Michael Jay · Inventors: Weiss, Michael Jay; Chen, Lan Bo
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Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, There IS described the treatment in mammals of differentiated carcinomas and melanomas using dequalinium. The effectiveness of the treatment was demonstrated by in vitro tests as well as in vivo tests in nude mice.
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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.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 23, 1986
GrantedMarch 10, 1992
Term endedMarch 10, 2009
Patent numberCA 1297022 C
Classification (IPC)A61K31/47
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.