Expired Canadian patentCanada
Castanospermine for inhibiting tumor metastasis
CA 1321356 C · Owner: Liu, Paul S. · Inventors: Sunkara, Sai P.; Rhinehart, Barry L.; Liu, Paul S.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for the inhibition of tumor metastases is described herein. The method makes use of the administration of castanospermine.
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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 August 17, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 17, 2010.
- 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 25, 1988
GrantedAugust 17, 1993
Term endedAugust 17, 2010
Patent numberCA 1321356 C
Classification (IPC)A61K31/44 +1 more
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.