Separation of purified water and nutrients from agricultural and farm wastes
CA 2360179 A1 · Owner: Sower, Larry P. · Inventors: Sower, Larry P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and systems for separation of purified water and nutrients from organic, waste. Separated purified water can be used as fresh water in agricultural and farm, operations, and nutrients can be converted to fertilizers. Treated organic waste includes, complex organic waste with settleable and nonsettleable material that has not been subjected, to a conventional lagoon primary treatment. These methodology eliminates the need for land, application of residual waste stream and it comprises operations such as controlled freezing, and thawing, and optionally evaporation.
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 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 26, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 26, 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.