Continuous process for the partial sterilisation of mushroom casing
CA 1298952 C · Owner: Minister Of Agriculture Fisheries And Food In Her Britannic Majesty'S Government Of The United Kingdom Of Great Britain And Northen Ireland (The) · Inventors: Diprose, Michael Frederick; Evans, Geoffrey Harold
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process and apparatus are provided for the sterilisation of horticultural material, which may be substrate fertiliser, peat or, especially mushroom casing. The sterilisation may be complete or may be partial, removing only harmful organisms whilst leaving beneficial organisms unharmed. The horticultural material is passed through a tunnel and is exposed to radiofrequency electromagnetic waves for a period sufficient for sterilisation. In a preferred process and apparatus the horticultural material is heated to a suitable temperature by the waves and is then maintained in a region not exposed to the waves for a period long enough to sterilise the material before allowing it to cool to …
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
- Granted April 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 2009.
- 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.