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Expired Canadian patentCanada

Aminoalkylthiodibenzthiepins and related compounds, a method of preparing same and pharmaceutical and veterinary preparations including same

CA 1110625 A · Owner: Hoechst Aktiengesellschaft · Inventors: Ong, Helen H.; Profitt, James A.; Anderson, Vernon B.

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Abstract From the Canadian patent

The present application concerns novel aminoalkylthiodibenzthiepins of the formula I I, wherein X is hydrogen, Y is hydrogen or halogen and Z, represent halogen or , wherein R1 is hydrogen lower, alkyl, cyano, or phenoxycarbonyl and R2 is lower alkyl or R1-N-R2 forms a morpholino or a N-lower alkyl substituted piperazinyl; m is the integer 0 or 1; and n is an integer of from 2 to 4; and the physiologically tolerable acid addition salts thereof. The application is also directed to a method of preparing these compounds and pharmeuctical and veterinary preparations including them. The compounds are useful as antidepressants, analgetics and anticonvulsant agents.

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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 October 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 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.
FiledDecember 12, 1978
GrantedOctober 13, 1981
Term endedOctober 13, 1998
Patent numberCA 1110625 A
Classification (IPC)C07D405/12 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedDec 12, 1978Patent grantedOct 13, 1981Term endedOct 13, 1998

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