Method for continuous coking of the residue fraction arising in a coal liquefaction installation
CA 1284121 C · Owner: Merseburger, Wolfgang · Inventors: Merseburger, Wolfgang; Schanne, Lothar; Wedlich, Gunther
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a method for continuous coking of liquid residue fraction arising in a coal liquefaction installation, approximately at the pressure therein it is, proposed to mix the residue fraction under increased, pressure, with hydrogen and to heat its externally of the, coking facility to approximately to the coking temperature. The heated fraction is then expanded directly in the coking facility. The resulting gases and vapors are removed from the coking zone without further heat treatment.
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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 May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
- 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.