Method and system for cleaning a soil containing contaminants
CA 2569621 C · Owner: Deep Green S.A. · Inventors: Haemers, Jan; Zwaan, Harry; Falcinelli, Ugo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method for cleaning a soil containing contaminants comprising the steps of introducing at least one heat-conductive pipe, which is in working condition under negative pressure and provided with , perforations in said soil heating said soil by thermal conduction by circulating a heated fluid through said heat-conductive pipe thereby obtaining a contaminant vapor; whereby said contaminant vapor is forced into the heatconductive pipe through a negative pressure present herein further , transporting said contaminant vapor in said heat-conductive pipe out of the soil, and incinerating said contaminant vapor in order to at least partly remove said soil …
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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 June 10, 2005 and granted April 23, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 10, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.