Method for removing undesired components from the soil
CA 1201970 A · Owner: Nederlandse Centrale Organisatie Voor Toegepast Natuurwetenschappelijk O Nderzoek · Inventors: Ter Meulen, Berend P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is disclosed for removing undesired components from the soil wherein the contaminated soil, after separation from the adjacent soil is, extracted with an extracting agent suitable for the undesired components and, the extract thus obtained is removed in a manner known per se.
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 March 18, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 18, 2003.
- 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.