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Expired Canadian patentCanada

A hydrocarbon desulfurization process

CA 2657780 C · Owner: Thakkar, Vasant P. · Inventors: Thakkar, Vasant P.

CIPO record

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Abstract From the Canadian patent

A process for the production of low sulfur hydrocarbonaceous products. The hydrocarbon feedstocks are processed in integrated desulfurization zone (3) hydrocracking (21) and hydrogenation zones (22) to produce ultra low sulfur diesel (38) low sulfur naphtha products (37) and low sulfur heavy distillate (17).

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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 July 19, 2006 and granted February 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 19, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 19, 2006
GrantedFebruary 7, 2012
Term endedJuly 19, 2026
Patent numberCA 2657780 C
Classification (IPC)C10G69/02

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJuly 19, 2006Patent grantedFeb 7, 2012Term endedJuly 19, 2026

Sources & verification

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