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Expired Canadian patentCanada

Water-in-oil emulsion spread

CA 1298516 C · Owner: Jones, Malcolm Glyn · Inventors: Norton, Ian Timothy; Jones, Malcolm Glyn; Cain, Frederick William

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

Spreads containing less than 35 wt.% fat comprising, 10-35 wt.% continuous fat phase and 90-65 wt.% dispersed aqueous phase that are stable at ambient temperature and do not lose moisture when spread but, that destabilize and release their flavour in the mouth and that can be prepared relatively easily despite the very low fat content, can be obtained by using as composition that is to constitute the aqueous phase a, gel-forming composition having a viscosity of at least 20 mPa.s when measured at 5°C and at a shear rate of 17090 sec.-1.

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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 April 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 7, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 4, 1987
GrantedApril 7, 1992
Term endedApril 7, 2009
Patent numberCA 1298516 C
Classification (IPC)A23D7/00 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMarch 4, 1987Patent grantedApril 7, 1992Term endedApril 7, 2009

Sources & verification

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