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Expired Canadian patentCanada

Perfumes containing n-lower alkyl neoalkanamides(s)

CA 1340767 C · Owner: Steltenkamp, Robert John · Inventors: Steltenkamp, Robert John; Eaton, Craig Field

CIPO record

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Abstract From the Canadian patent

N-lower alkyl neoalkanamides of 1 to 4 carbon atoms in the lower alkyl thereof, and of 5 to 14 carbon atoms in the noealkanoyl group, e.g. N-methyl- and N-ethyl neodecanamides are new compounds which have insect repellent properties being, especially effective against cockroaches e.g. the German, cockroach. However, they are also useful as repellents for other insects, including, for example, American cockroaches mosquitoes, flies, fleas, ants, and lice. The most effective of the described amides for insect repellency are normally liquid and are sufficiently volatile to be detectable in air by insects. They may be applied directly to surfaces to be treated or they may be incorporated in …

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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 September 28, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 28, 2016.
  • 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 7, 1987
GrantedSeptember 28, 1999
Term endedSeptember 28, 2016
Patent numberCA 1340767 C
Classification (IPC)A01N37/18 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006200920122015Application filedAug 7, 1987Patent grantedSep 28, 1999Term endedSep 28, 2016

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