Process and apparatus for treating process streams from a system for separating constituents from contaminated material
CA 2251004 A1 · Owner: Foster Wheeler Environmental Corporation · Inventors: Fitzgerald, Michael; Potter, Raleigh Wayne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process and apparatus for recovering and treating hazardous and nonhazardous components from process streams generated from a continuous system for selectively separating organic and inorganic constituents from contaminated material. The contaminated material is heated in a dryer (40) to a first temperature sufficient to volatilize water and lower boiling point constituents contained in the material thereby producing a dried solid , material and a first gas (50) containing water vapor and volatilized lower boiling point constituents. The first gas (50) is separated from the dried solid material. The lower boiling point constituents are recovered from the first gas. The dried solid …
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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 April 8, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 8, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 8, 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
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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.