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Expired Canadian patentCanada

Amino-pyrimidine-carbanilides, processes for their preparation, medicaments containing these compounds and their use and also diamino-pyrimidinecarbanilides and processes for their preparation

CA 1136623 A · Owner: Hoechst Aktiengesellschaft · Inventors: Kampe, Klaus-Dieter; Granzer, Ernold

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Abstract From the Canadian patent

4-Amino-2-ureido-(or -thioureido)-pyrimidine-5carboxylic acid anilides of the general formula I (I), in which the substituents R1 to R8 and X and n have the indicated meanings, which, as such or in the form of their physiologically acceptable acid addition salts possess valuable pharmacological properties processes, for their preparation, pharmaceutical preparations based on these compounds and their use as medicaments especi-, ally in the treatment of adiposity and disturbances of the lipometabolism. The invention also relates to 2,4-diamino-pyrimidine-5-carbanilides of the general formula V, which can be used to prepare compounds of the formula I and also processes for their preparation.

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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 November 30, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 1999.
  • 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 7, 1979
GrantedNovember 30, 1982
Term endedNovember 30, 1999
Patent numberCA 1136623 A
Classification (IPC)C07D239/48 +1 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedDec 7, 1979Patent grantedNov 30, 1982Term endedNov 30, 1999

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