Alteration of plant nitrate and oxalic acid concentration
CA 2425687 A1 · Owner: Cornell Research Foundation, Inc. · Inventors: Johnson, Corinne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides methods for altering the concentration or level of nitrate, soluble oxalic acid or oxalate or nutritional quality indicators , in a plant comprising growing the plant in a hydroponic nutrient medium which contains a nitrogen source, and then alterning the content of the hydroponic medium prior to harvest of the plant so that the medium does not contain a nitrogen source, so that the concentration of oxalic acid or oxalage in the plant is altered.
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 October 5, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 5, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 5, 2023.
- 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.