An accelerated controlled aerobic fermentation
CA 2257709 A1 · Owner: Head, Malcolm, J. · Inventors: Head, Malcolm, J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An aerobic fermentation process for the production of an end product having predetermined characteristics from a material mass comprising selected organic material, includes the steps of establishing a carbon to nitrogen ratio in the range of 20:1 to 40:1, and a moisture content of 40% to 65% by weight of the organic material injecting a, measured weight of oxygen into the material mass for varying and controlled periods of, time during the fermentation process to promote the growth of thermophilic aerobic, bacteria within the mass, and adding supplements usable by the thermophilic aerobic, bacteria for conversion into nutrient rich substances in the end product of the, fermentation …
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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 December 31, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 31, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 31, 2020.
- 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.