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Expired Canadian patentCanada

N-(.omega.-GLYCIDOXYALKYL)-SUBSTITUTED AMIDE COMPOUNDS AND PREPARATION PROCESS THEREOF

CA 1262141 C · Owner: Tanaka, Tomio · Inventors: Tanaka, Tomio; Itoh, Hiroshi; Nitta, Atsuhiko

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Abstract From the Canadian patent

This invention relates to N-(.omega.-glycidoxyalkyl)substituted amide compounds, namely, N-substituted amide compounds in which the amide groups of amide compounds have been substituted ?y .omega.-glycidoxyalkyl groups and their preparation process. The above N- (.omega.-glycidoxyalkyl)-substituted amide compounds can be obtained by reacting amide compounds and halogensubstituted glycidyl ether compounds in the presence of a strong basic substance in an aprotic polar solvent. These compounds have uses in adhesives etc.

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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 3, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 3, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 8, 1985
GrantedOctober 3, 1989
Term endedOctober 3, 2006
Patent numberCA 1262141 C
Classification (IPC)C07D303/46 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedMarch 8, 1985Patent grantedOct 3, 1989Term endedOct 3, 2006

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