Process for the local treatment of soil in particular for examination and cleaning of contaminated soil
CA 2125034 A1 · Owner: Szekvolgyi, Zoltan · Inventors: Szekvolgyi, Zoltan; Gabris, Tibor; Biro, Emoke
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process for the local treatment of soil in particular for examination and cleaning of contaminated soil The invention relates to a process for the local treatment of soil, in particular for examination and cleaning contaminated soil, in course of which the ample taken from the soil resp. contaminated liquid coming from the contaminated soil or contaminated soil-water are delivered to the surface; prior to delivery or thereafter some treating medium and/or any other material converting the contamination is introduced into the soil intended to be treated or into the contaminated soil. The process according to the invention is characterized in that oblique angled connecting pipes (4,5) resp. a …
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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 1, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 1, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 1, 2014.
- 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.