Process for establishing optimum soil conditions by naturally forming tilth
CA 2121244 A1 · Owner: Kurner, Rudolf · Inventors: Kurner, Rudolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
57) Abstract, A process is disclosed for establishing optimum soil conditions by biologically disintegrating minerals in the presence of Ca compounds, clay and protein- and lignocellulose-containing organic vegetable waste as well as protein-containing organic animal waste. The process includes the following steps: a) finely crushing a mixture of minerals containing at least potassium mag-, nesium, phosphate and silicate, all in insoluble form; b) subjecting the vegetable and animal organic waste to an usual preliminary crushing step; c) micronizing the organic waste preferably while homogeneously mixing it with the mixture of minerals; and d) fermenting the mixture of micronized organic …
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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 13, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 13, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 13, 2014.
- 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.