6-METHYL-8.beta.-(-CH2-S-R)ERGOLENE OR ERGOLINE
CA 1071192 A · Owner: Sandoz Ltd. · Inventors: Stadler, Paul; Stutz, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case 100-4146, 6-METHYL-8 .beta.-(-CH2-S-R) ERGOLENE OR ERGOLINE Abstract of the Disclosure, This invention provides new compounds of formula I, wherein , is the group , or and, R is hydrogen, cyano, a 5- or 6-membered unsaturated heterocyclic radical, attached through a ring carbon atom and having 1, 2 or 3 hetero ring atoms, the first hetero atom being nitrogen oxygen or sulphur, and the second and, third hetero atoms if present, being, nitrogen, or 2- or 4-pyridyl monosubstituted by lower alkyl, lower alkoxy, or halogen useful as anti-Parkinson agents.
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 February 5, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 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.
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.