Furo¬3,2-c pyridine derivatives, their preparation and pharmaceutical compositions containing them
CA 1291994 C · Owner: Frost, Jonathan · Inventors: Frost, Jonathan; Wick, Alexander; Bertin, Jean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
FURO3,2-cPYRIDINE DERIVATIVES THEIR PREPARATION, AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM Compounds of general formula (I), (I), wherein R1 represents a phenyl halophenyl, methylphenyl, ethylphenyl, methoxyphenyl trifluoromethylphenyl or naphthyl, group R2 represents hydrogen or a methyl or phenyl group and R3 represents hydrogen or a benzyl group except, compounds in which R1 is a phenyl or 4-fluorophenyl group R2, is hydrogen and R3 is hydrogen or a benzyl group and their, pharmaceutically acceptable acid addition salts have useful anti-depressant and anti-ischaemic properties.
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 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2008.
- 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.