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Expired Canadian patentCanada

Manufacture of fish meat powder from acid-modified fish meat slurry

CA 1049836 A · Owner: Snow Brand Milk Products Co. Ltd. · Inventors: Doi, Toru; Deya, Eiki; Hayashi, Hiromichi

CIPO record

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Abstract From the Canadian patent

Abstract of the Disclosure, Fish meat powder is produced by preparing a fish meat slurry in the presence of an acid which easily decomposes or volatilizes at relatively low temperatures e.g. carbonic acid, so as to lower the pH and consequently the viscosity of the slurry. Immediately thereafter the slurry is spray dried and the acid is instantaneously decomposed or volatilized during the spray drying so that the powder obtained has a substantially neutral pH value.

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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 March 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 1996.
  • 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—
GrantedMarch 6, 1979
Term endedMarch 6, 1996
Patent numberCA 1049836 A
Classification (IPC)A23L17/00 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMarch 6, 1979Term endedMarch 6, 1996

Sources & verification

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