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Expired Canadian patentCanada

Heterocyclic substituted triazolyl phosphorous compounds and their use as insecticides

CA 1100967 A · Owner: The Dow Chemical Company · Inventors: Pawloski, Chester E.

CIPO record

Overview

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

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Abstract From the Canadian patent

Pyridyl, pyridazinyl pyrimidinyl and pyrazinyl, substituted triazolyl phosphorothioates insecticidal, compositions containing them and method for controlling insects. These compounds and compositions are especially effective in controlling German cockroaches codling, moth, Western spotted cucumber beetle beet armyworm, tobacco budworm, green peach aphid and two spotted spider mite, while having low toxicity to warm-blooded animals.

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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 May 12, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 10, 1979
GrantedMay 12, 1981
Term endedMay 12, 1998
Patent numberCA 1100967 A
Classification (IPC)C07F9/58 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedOct 10, 1979Patent grantedMay 12, 1981Term endedMay 12, 1998

Sources & verification

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