Five-membered heterocyclic derivatives of n'-substituted-n, n'-diacylhydrazines
CA 1331189 C · Owner: Hsu, Adam Chi-Tung · Inventors: Hsu, Adam Chi-Tung; Le, Dat Phat
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to insecticidal compositions containing, as the active ingredient, a five-membered heterocyclic derivative of an N'-substituted-N,N'diacylhydrazine, viz. a compound of the formula: wherein X and X1 are O, S or NR; R1 is branched (C3- C10)alkyl or (C1-C 4)alkyl substituted with one or two (C3-C6)cycloalkyl; one of A and B is unsubstituted or substituted phenyl and the other of A and B is an unsubstituted or substituted 5-membered heterocycle. The invention also relates to methods of using such compositions, and novel compounds having the above chemical formula, used in the claimed compositions and methods. The compounds and compositions of the present invention are …
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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 August 2, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 2, 2011.
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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.