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Canadian application, no grantCanada

Aqueous, herbicidal means

CA 2396051 A1 · Owner: Wollenweber, Horst-Werner · Inventors: Wollenweber, Horst-Werner; Abribat, Benoit; Mainx, Hans-Georg

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention relates to an aqueous means containing bromoxynil or the derivatives thereof. The invention also relates to compounds of the general formula (I): RO-(C2H4O)n(C3H6O)m-R', wherein RO stands for an alcohol radical selected from the group of the branched or linear saturated or unsaturated, monovalent alcohols having 1 to 6 C atoms or of the polyols having 2 to 12 C atoms and 2 to 6 hydroxyl groups and R' stands for hydrogen and/or an ester group -CO-R'', wherein R'' means a branched or linear saturated or , unsaturated alkyl radical having 5 to 29 C atoms n is a number between 1 and , 50 and m is zero or a number between 1 and 10. An increased amount of the active agent …

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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

  • Filed December 23, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 23, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 23, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 23, 2000
GrantedNo grant recorded
Term endedDecember 23, 2020
Patent numberCA 2396051 A1
Classification (IPC)A01N37/40 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedDec 23, 2000Term endedDec 23, 2020

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.