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Expired Canadian patentCanada

Agrochemical concentrate comprising an adjuvant and a hydrotrope

CA 2531925 C · Owner: Bell, Gordon Alastair · Inventors: Bell, Gordon Alastair; Ramsay, Guy

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

Agrochemical concentrates having a continuous water-containing single phase where said continuous phase also comprises an oil-based adjuvant and a hydrotrope capable of solubilising said adjuvant in said continuous phase a , process for making these concentrates and a method of using these concentrates.

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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 August 6, 2004 and granted December 1, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 6, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 6, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 6, 2004
GrantedDecember 1, 2015
Term endedAugust 6, 2024
Patent numberCA 2531925 C
Classification (IPC)A01N25/02 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedAug 6, 2004Patent grantedDec 1, 2015Term endedAug 6, 2024

Sources & verification

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