Expired Canadian patentCanada
Pharmaceutical composition containing a hydrogenated ergot alkaloid and etilefrin
CA 1088865 A · Owner: Sandoz Ltd. · Inventors: Buhlmann, Hans; Welzel, Dieter
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure The invention provides novel pharmaceutical compositions useful as venotonics, comprising a mixture of dihydroergotamine or a related ergot alkaloid and etilefrin.
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 November 4, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 4, 1997.
- 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 16, 1977
GrantedNovember 4, 1980
Term endedNovember 4, 1997
Patent numberCA 1088865 A
Classification (IPC)A61K31/49 +2 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.