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Expired Canadian patentCanada

Inflame desulfurization and denoxification of high sulfur containing fuels

CA 1333332 C · Owner: Marcano, Niomar · Inventors: Polanco, Domingo Rodriguez; Marcano, Niomar; Grazzina, Euler Jimenez

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Abstract From the Canadian patent

A process for the preparation of a liquid fuel and resulting fuel including a sulfur and nitrogen capturing additive consisting essentially of Na+ Fe++ and an, element X selected from group consisting of Mg++ Ba++, Ca++, Li+, K+ and mixtures thereof wherein Na+ is present in an amount of less than or equal to 40 wt.% based on the total weight of the water soluble additive, Fe++ is present in an amount of greater than or equal to 0.4 wt.% based on the total weight of the water soluble additive with the balance essentially element X wherein the ratio of Na+ and Fe++ is about between 7.5 : 1.0 to 100 : 1Ø

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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 December 6, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 6, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 28, 1988
GrantedDecember 6, 1994
Term endedDecember 6, 2011
Patent numberCA 1333332 C
Classification (IPC)C10L1/32

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedNov 28, 1988Patent grantedDec 6, 1994Term endedDec 6, 2011

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