Six-membered heterocyclic derivatives of n'substituted-n,n'-diacylhydrazines
CA 1310641 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
i-, Patent Application of, Adam Chi-Tung Hsu Dat P. Le, for, SIX-MEMBERED HETEROCYCLIC DERIVATIVES OF N'-SUBSTITUTED-N,N'-DIACYLHYDRAZINES, DN84-68 A JCD/car Abstract, This invention relates to insecticidal compositions containing six-membered heterocyclic derivatives of N'-substituted-N,N'-diacylhydrazines methods of using such compositions and novel sixmembered heterocyclic derivatives of N'-substituted- N,N'-diacylhydrazines.
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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 November 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 2009.
- 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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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.