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Expired Canadian patentCanada

Fermentation of oxygenated hydrocarbon compounds with thermophilic microorganisms

CA 1069072 A · Owner: Phillips Petroleum Company · Inventors: Hitzman, Donald O.

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Abstract From the Canadian patent

Abstract of the Disclosure, Single cell protein (SCP) and other fermentation products are produced by aerobic fermentation processes at relatively high temperature conditions employing oxygenated hydrocarbon compounds such as methanol, as, carbon and energy source material and employing certain unique species, Bacillus NRRL B-8066 or NRRL B-8065 as microbial conversion agent preferably, in foam-filled fermentation means.

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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 January 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJanuary 1, 1980
Term endedJanuary 1, 1997
Patent numberCA 1069072 A
Classification (IPC)C12P21/00 +2 more

Sources & verification

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