Device in a reactor for gasifying spent liquor
CA 2133332 A1 · Owner: Chemrec Aktiebolag · Inventors: Nilsson, Bengt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a device for thermal decomposition of stock, especially a spent liquor obtained from pulp manufacture, where the gas stream formed in this connection passes through a liquid bath, which device comprises a reactor (1) with a chamber (3) for the said thermal decomposition and a separation zone (1B) including a liquid bath (7) for separating off components contained in the gas stream leaving the chamber (3) where the, said separation zone (1B) comprises a housing (8A 8B) for the said , liquid bath (7) and a tipping chute (6) arranged in association with the outlet (5) of the chamber, wherein that said tipping chute at least partly has an increasing …
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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 May 10, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 10, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 10, 2015.
- 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.