Process and installation for manufacturing a pasteurized substrate
CA 2045633 A1 · Owner: Spescha, Adelrich · Inventors: Spescha, Adelrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a process for manufacturing a pasteurized substrate by biological decomposition of organic refuse, the refuse is introduced into a container whereit is intimately mixed with air under constant stirring during a residence time in order to induce bacterial aerobic decomposition and the end product is refined.The process of the invention is characterized by the following processing steps: a) The container (1) is half filled with a mixture of solid refuse to be decomposed. Liquid substances are then added and at the same time air is supplied naturally by constant stirring of the mixed refuse. Stirring is continued for a first residence time of 2 to 3 hours. b) A quantity not greater than …
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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 November 21, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 21, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 21, 2012.
- 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.