Substituted arylalkylamines
CA 1073915 A · Owner: Dr. Karl Thomae Gesellschaft Mit Beschrankter Haftung · Inventors: Kutter, Eberhard; Lillie, Christian; Eberlein, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to new substituted arylalkylamines which in general possess interesting pharmacological properties in particular a heart, frequency decreasing activity. These compounds are of the general formula I (I), wherein R1 represents a hydrogen atom a lower alkyl group or a phenyl group; either R2 represents a hydrogen atom, chlorine atom or methoxy group and R3 represents a hydrogen atom or a methoxy group or R2 or R3 together, represent a methlenedioxy or ethylenedioxy group; R4 and R5 which may be, the same of different, each represents a hydrogen atom or a lower alkyl group; either R6 represents a hydrogen atom or a lower alkoxy group and R7 represents a lower alkoxy 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
- Granted March 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 18, 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.