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Expired Canadian patentCanada

Chlorophenoxymethylphosphono-(mono or di)thioates and their use as pesticides

CA 795809 A · Owner: Stauffer Chemical Company · Inventors: Karoly Szabo; John G. Brady

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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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 1, 1968. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 1985.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedOctober 1, 1968
Term endedOctober 1, 1985
Patent numberCA 795809 A
Classification (IPC)C07F9/00

Timeline

Timeline From CIPO dates

196919711973197519771979198119831985Patent grantedOct 1, 1968Term endedOct 1, 1985

Sources & verification

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