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Expired Canadian patentCanada

Enhanced conversion of syngas to liquid motor fuels

CA 1258669 A · Owner: Union Carbide Corporation · Inventors: Rabo, Jule A.; Coughlin, Peter K.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Abstract of the Disclosure, Synthesis gas comprising carbon monoxide and hydrogen is converted to C5 hydrocarbons suitable for use as liquid motor fuels by contact with a dual catalyst system capable of enhancing the selectivity of said conversion to motor fuel range hydrocarbons and the quality of the resulting motor fuel product. The catalyst composition employs a Fischer-Tropsch catalyst, together with a co-catalyst/support component comprising SAPO silicoaluminophosphate, non-zeolitic molecular sieve catalyst.

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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 August 22, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 22, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 14, 1985
GrantedAugust 22, 1989
Term endedAugust 22, 2006
Patent numberCA 1258669 A
Classification (IPC)C07C1/04 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedJune 14, 1985Patent grantedAug 22, 1989Term endedAug 22, 2006

Sources & verification

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