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Expired Canadian patentCanada

Chloroaniline derivatives

CA 1321199 C · Owner: Glaxo Group Limited · Inventors: Lunts, Lawrence H. C.

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Abstract From the Canadian patent

The invention provides compounds of the general formula (I), (I), and physiologically acceptable salts and solvates thereof wherein, Q represents a chlorine atom or a trifluoromethyl group; X represents a bond, or a C1-6alkylene C2-6alkenylene or, C2-6alkynylene chain and Y represents a bond, or a, C1-6alkylene C2-6alkenylene or C2-6alkynylene chain with the proviso that the sum total or carbon atoms in the chains X and Y is not more than 10, and the chains XCH2 and CH2Y may each be optionally substituted by one or two C1-3alkyl groups, or, when one carbon atom is substituted by two alkyl groups, these may be linked to form an alkylene group;, R represents a hydrogen atom or a C1-3alkyl …

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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 August 10, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 10, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 10, 1988
GrantedAugust 10, 1993
Term endedAugust 10, 2010
Patent numberCA 1321199 C
Classification (IPC)C07D215/14 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedAug 10, 1988Patent grantedAug 10, 1993Term endedAug 10, 2010

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