Insecticidal n'-substituted-n,n'-diacylhydrazines
CA 1281332 C · Owner: Rohm And Haas Company · Inventors: Hsu, Adam Chi-Tung; Aller, Harold Ernest
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention as disclosed provides novel insecticidally active N'-substituted-N,N'diacylhydrazines of the general formula: wherein X and X', which may be the same or different are, selected from O, S or NR, R1 is a (C3-C10) branched chain alkyl group or a (C1-C4) straight chain alkyl group substituted with one or two (C3-C6) cycloalkyl groups; A and B, which may be the same or different are, selected from (a) unsubstituted or substituted naphthyl groups; and (b) unsubstituted or substituted phenyl groups, and R and R' are hydrogen or a (C1-C6) alkyl group; and agronomically acceptable salts thereof. Also provided are insecticidal compositions containing such …
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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 March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2008.
- 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
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.