Treatment of wastes
CA 2098088 A1 · Owner: Fungi-Gulp Pty. Ltd. · Inventors: Henry, Dick P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Treatment of biological wastes which includes the steps of: (i) passing biological waste liquid comprising as a major carbon source organic acids containing 8 carbon atoms or less through a substantially vertically orientated curtain made of a material which may form a support for filamentous micro-organisms and/or symbionts included in said filamentous micro-organisms whereby said filamentous micro-organisms and/or symbionts may metabolise the organic acids in the presence of oxygen to carbon dioxide; and (ii) collecting said biological waste effluent after passage through the curtain for ultimate disposal. The invention also provides a waste treatment plant for treatment of biological …
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 December 19, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 19, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2013.
- 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.