Canadian application, no grantCanada
Spisulosine compounds having antitumour activity
CA 2328126 A1 · Owner: Garcia Gravalos, Dolores · Inventors: Warwick, Robert Arthur; Avila, Jesus; Rinehart, Kenneth Lloyd
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Investigation of the activity of extracts of the clam Spisula polynyma has led to antitumour long-chain, straight-chain alkane or alkene compounds which have a 2-amino group and a 3-hydroxy group.
Read the whole patent
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
- Filed April 9, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 9, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 9, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 9, 1999
GrantedNo grant recorded
Term endedApril 9, 2019
Patent numberCA 2328126 A1
Classification (IPC)A61K31/13
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.