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Expired Canadian patentCanada

Process for the hydrogenating conversion of heavy and residual oils

CA 1304310 C · Owner: Veba Oel Entwicklungs-Gesellschaft Mbh · Inventors: Niemann, Klaus; Merz, Ludwig

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Abstract From the Canadian patent

A process for the hydrogenation conversion of heavy and residual oils old and waste oils, and optionally mixtures of these with ground brown coal and stone coal in the semisolid or combined semisolid and gas phase with, gases that contain hydrogen at a hydrogen partial pressure of 50 to 350 bar preferably 150 to 200 bar, at temperatures of 250 to 500°C preferably 400 to, 490°C, at a gas:oil ratio of 100 to 10 000 Nm3/t preferably 100 to 5000, Nm3/t of liquid and solid charging stock with the addition of at least one additive in quantities ranging from 0.1 to 10%-wt relative to the total quantity of liquid and solid charging stock and in two different grain-size ranges as a fine grain …

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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 June 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 28, 1988
GrantedJune 30, 1992
Term endedJune 30, 2009
Patent numberCA 1304310 C
Classification (IPC)C10G1/06 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMarch 28, 1988Patent grantedJune 30, 1992Term endedJune 30, 2009

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.