Process and facility for treating and sorting recyclable waste materials
CA 2247122 A1 · Owner: Pilz, Harald · Inventors: Pilz, Harald; Fiedlschuster, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a process and facility for treating and sorting recyclable waste materials which include a selection of heavy undesirable materials, with a shredding process for the residual raw waste separation , processes for separating recyclable materials from the shredded raw waste to produce a mixture of shredded plastic, and with separation processes for recovering sorted plastics. In order to reduce the number of process stages and energy consumption while improving sorting the following process stages , are proposed: a) soaking the isolated raw waste in a liquid in order to dissolve, partially dissolve, and release soluble components b) selection of , heavy …
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
- Filed February 26, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 26, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 26, 2019.
- 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.