Heterocycly1-2-propyn-1-amines
CA 1309719 C · Owner: Merrell Dow Pharmaceuticals Inc. · Inventors: Mccarthy, James R.; Bargar, Thomas M.; Creemer, Lawrence C.
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 heterocyclyl-2propyn-1-amines of the formula, Het-C ? C-CH2-NH2 wherein Het is 2- or 3-thienyl or 2- or 3-furyl each, Het ring optionally being substituted with from 1 to 3 moieties selected from the group consisting of lower alkyl of from one to about six carbon atoms alkoxy of, from 1 to about 6 carbon atoms alkylthio of from 1 to, about 6 carbon atoms fluoro, bromo, chloro, carboxylic, acid and hydroxymethyl and the pharmaceutically acceptable acid addition salts thereof which are useful, as dopamine beta hydroxylase inhibitors in the treatment of hypertension.
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 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 2009.
- 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.