Method of handling finely particulate waste materials for disposal
CA 1213739 A · Owner: Preussag Aktiengesellschaft Metall · Inventors: Frank, Sigfried; Meier, Jurgen; Janssen, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A C T, "Method of Handling Finely Particulate Waste Materials For Disposal", In the disposal or temporary storage of finely particulate waste material in a natural or artificial chamber either above or below ground, the material is pumped through a pipe into the chamber in a solids/liquid mixture comprising the fine waste material, a liquid, and a coarse fraction which is obtained from the fine material itself such, as by separating and agglomerating preferably, pelletizing, some of the fine material.
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 November 12, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 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.