Insecticidal dibenzoly-tert-butylcarbanonitrile compounds and method for the preparation thereof
CA 1312335 C · Owner: Wright, Donald Perry Wright Jr. · Inventors: Kameswaran, Venkataraman; Wright, Donald Perry Wright Jr.; Herman, Rod Aaron
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
61109-7719, 30,769, NOVEL INSECTICIDAL DIBENZOYL,TERT-BUTYLCARBAZONITRILE COMPOUNDS AND METHOD FOR THE PREPARATION THEREOF ABSTRACT OF THE INVENTION, The present invention provides novel insecticidal dibenzoyl-tert-butylcarbazonitrile compounds and a method for the preparation thereof. It also provides mekhods for controlling insects with said dibenzoyl-tert-butylcarbazonitrile compounds and for protecting growing plants, crops, trees, shrubs and ornamentals from attack, by said insects.
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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 January 5, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 5, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.