Herbicidal suspoemulsion
CA 2517220 C · Owner: Hopkinson, Michael James · Inventors: Cush, Sarah Beth; Hopkinson, Michael James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A suspoemulsion formulation comprising: (a) a continuous phase comprising: (i) one or more block co-polymers, and (ii) one or more non-ionic surfactants; (b) a dispersed emulsion phase comprising: (i) a chloroacetamide and (ii) a , polymeric stabiliser; and (c) a dispersed solid phase comprising: (i) a 2- (substituted benzoyl)-1,3-cyclohexanedione herbicide; and (ii) a stabilising metal salt.
Read the whole patent
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 February 13, 2004 and granted April 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 13, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 13, 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.
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.