Fungal herbicide for control of lamb's quarters and other chenopodium weeds
CA 1324775 C · Owner: Allan, William · Inventors: Allan, William; Watson, Alan; Wymore, Lee
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for controlling growth of plants of Chenopodium weed species in agricultural crops. This method comprises applying to the plants or to the locus of the plants an effective amount of the fungus Ascochyta hyalospora to effect and produce typical lesions so as to inhibit the growth of or kill the plants.
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
- Granted November 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 2010.
- 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.