Expired Canadian patentCanada
Gem-dihalo-1,8-diamino-4-aza-octanes
CA 1265159 C · Owner: Merrell Dow Pharmaceuticals Inc. · Inventors: Mamont, Pierre; Gerhart, Fritz
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Gem-dihalo-1,8-diamino-4-aza-octane derivatives useful as antiproliferative or antitumor agents. C-33,705 US
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
- Granted January 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 14, 1986
GrantedJanuary 30, 1990
Term endedJanuary 30, 2007
Patent numberCA 1265159 C
Classification (IPC)A61K31/13 +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.