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Expired Canadian patentCanada

Aromatisation of coffee products

CA 1068975 A · Owner: Societe Des Produits Nestle S.A. · Inventors: Margolis, Geoffrey; Tien-Szu Liu, Richard

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

This invention relates to the manufacture of instant coffee products and is concerned to collect and reincorporate into the instant coffee products vapors produced during manufacture. The aroma gas is collected a mixed, under a pressure of at least 5 kg/cm2 with an absorbent comprising aqueous liquid and liquid edible oil to produce an aroma-emulsion foam and the aromaemulsion is contacted with soluble coffee solids.

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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 1068975 A
Classification (IPC)A23F5/00 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJan 1, 1980Term endedJan 1, 1997

Sources & verification

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