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Expired Canadian patentCanada

Phenyl-n-(cyanoalkylsulfenyl)-n-methylcarbamates, the production thereof and the use thereof in pest control

CA 1185615 A · Owner: Novartis Pharmaceuticals Canada Inc./Novartis Pharma Canada Inc. · Inventors: Boger, Manfred; Drabek, Jozef

CIPO record

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Abstract From the Canadian patent

The invention relates to phenyl-N-(cyanoalkylsulfenyl)-N-methylcarbamates of the formula, wherein each of R1 and R2 is methyl or both together with the nitrogen, atom to which they are attached are a cyclopentyl radical R3 is, hydrogen or chlorine, and n is 0 or 1. The invention relates to the production of these compounds and to their use in pest control.

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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 April 16, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2002.
  • 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 15, 1981
GrantedApril 16, 1985
Term endedApril 16, 2002
Patent numberCA 1185615 A
Classification (IPC)C07C313/32 +2 more

Timeline

Timeline From CIPO dates

1982198519881991199419972000Application filedDec 15, 1981Patent grantedApril 16, 1985Term endedApril 16, 2002

Sources & verification

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