4-acylamino-phenyl-ethanolamines
CA 1105941 A · Owner: Thomae (Dr. Karl) Gesellschaft Mit Beschrankter Haftung · Inventors: Noll, Klaus; Engelhardt, Gunther; Pieper, Helmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to novel 4-acylaminophenylethanolamines which possess interesting pharmacological properties and in particular, in general in addition to, an analgesic and uterus-spasmolytic activity and an antispastic effect on the transverse muscles a .beta.2-, mimetic and/or a .beta.1-blocking activity. Several processes for the preparation of these compounds are described and exemplified. Examples of pharmaceutical compositions containing the new compounds are also given.
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 July 28, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 28, 1998.
- 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.