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Expired Canadian patentCanada

1-phenyl-3-naphthalenyloxypropanamines

CA 1329937 C · Owner: Eli Lilly And Company · Inventors: Thompson, Dennis Charles; Wong, David Taiwai; Robertson, David Wayne

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention provides compounds of the general formula (I):, (I), wherein: each of R1 and R2 independently is hydrogen or methyl; R3 is hydrogen, halo, C1-C4 alkyl C1-C3 alkoxy, or trifluoromethyl; each R4 independently is hydrogen halo, C1-C4 alkyl, C1-C3 alkoxy or trifluoromethyl; m is 1 or 2; when m is 2, each R4 can be combined to form methylenedioxy; and pharmaceutically acceptable acid addition salts thereof. Also provided are pharmaceutical compositions comprising a compound of formula (I) as described above, as the active ingredient. These compounds are selective inhibitors of serotonin uptake and are useful for the treatment of such conditions as obesity, depression, …

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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 May 31, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 6, 1988
GrantedMay 31, 1994
Term endedMay 31, 2011
Patent numberCA 1329937 C
Classification (IPC)C07C217/64 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedApril 6, 1988Patent grantedMay 31, 1994Term endedMay 31, 2011

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.