Process for the extraction of low-temperature carbonization oil
CA 1314258 C · Owner: Veba Oel Entwicklungs-Gesellschaft Mbh · Inventors: Wenning, Hans-Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process is disclosed for the recovery of product oil gas, and coke by low-temperature carbonization at a temperature of 450 to 850°C from residues that contain hydrocarbons in a, fixed or rotary low-temperature carbonization drum. A preheater is connected in series with the drum direct heating of the charge ingredients by means of reheated low-temperature carbonization gas which is fed into the circuit. Condensation takes place in two stages. Solids are separated together with the lowtemperature carbonization fractions separated in the first condensation stage. Quenching is done in the first condensation stage, which is integrated into the upstream end of the low-temperature carbonization …
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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
- Granted March 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 9, 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.