Method for decontaminating a material and an assembly for carrying out said method
CA 1321970 C · Owner: A/S Phonix Contractors · Inventors: SõGAARD, DENNIS
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and an assembly for decontaminating a material. The material is charged into a container where at first, steam is introduced and fluids including some contaminants are removed. Then extractant is introduced into the container, and fluids comprising condensation water extractant, and contaminants are removed. Then the material is stripped with vapour. The dry or slightly humid material in the container is removed in a condition suitable for return to its place of origin. The used extractant can be purified to be re-used.
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 September 7, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 7, 2010.
- 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.