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Expired Canadian patentCanada

Carbohydrate cream substitute

CA 1333019 C · Owner: Chang, Hsien-Hsin · Inventors: Dunn, John Michael; Tang, Pamela; Chang, Hsien-Hsin

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

A fat substitute is disclosed which comprises water-dispersible macrocolloid particles composed of carbohydrate materials which particles have a substantially spheroidal shape and a particle size distribution effective to impart the substantially smooth organoleptic character of an oil-and-water emulsion.

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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 November 15, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 15, 2011.
  • 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 23, 1989
GrantedNovember 15, 1994
Term endedNovember 15, 2011
Patent numberCA 1333019 C
Classification (IPC)A23C20/00 +1 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedJune 23, 1989Patent grantedNov 15, 1994Term endedNov 15, 2011

Sources & verification

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