Control of insects with 2-ethyl-1,6- dioxaspiro4.4nonane
CA 1103584 A · Owner: Firmenich S.A. · Inventors: Francke, Ernst J.W.; Ohloff, Gunther; Vite, Jean P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case 1960, "CONTROL OF INSECTS WITH 2-ETHYL-1,6-DIOXASPIRO4.4NONANE" ABSTRACT OF THE DISCLOSURE, The present invention relates to a composition for the control of insects of the order of Pityogenes chalcographus which comprises together with a carrier substance a compound of formula, (I), Method of attracting bark beetles of the said class. Process for the preparation of the spiro derivative of formula (I) starting from non-4-yn-1,7-diol.
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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 June 23, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 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.
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.