2-¬(1-dimethylaminocycloalkyl)methyloxy or thio -quinoline compounds
CA 1258858 A · Owner: Imperial Chemical Industries Plc · Inventors: Le Count, David J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compounds of the formula:, wherein X stands for an oxygen or sulphur atom n stands, for 1 or 2, R1 stands for a defined (3-4C)alkyl radical a cyclopropyl radical, or a phenyl radical which may optionally bear a halogeno, (1-4C)alkyl or (1-4C)alkoxy substituent, and R2 stands for hydrogen or a (1-4C)alkyl radical, and pharmaceutically-acceptable acid-addition salts thereof. Process for the manufacture of said compounds. Pharmaceutical compositions comprising one of said compounds and a pharmaceutical diluent or carrier. The compunds are peripherally selective 5-HT antagonists.
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 August 29, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 29, 2006.
- 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.