Foliar saline spray solution for selective control of noxious weeds
CA 2266261 A1 · Owner: Ditommaso, Antonio · Inventors: Ditommaso, Antonio; Watson, Alan K.; Lupien, Gerard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a foliar saline spray solution for selective control of noxious weeds such as ragweed, poison ivy, dandelion, clover bedstraw, wild parsley, millet, thistle English daisy, plantain, ground ivy, and knotweed. The invention also relates to a method for selective control of noxious weeds. In accordance with a preferred embodiment of the present invention, the solution comprises 8% to 12% weight to volume of a specific salt such as sodium chloride. The solution may further comprise an adjuvant such as a non-ionic surfactant.
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 March 22, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 22, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 22, 2021.
- 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.