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Expired Canadian patentCanada

Water soluble bulking agents

CA 1331844 C · Owner: Pantaleone, David P. · Inventors: Barnett, Ronald E.; Liao, Shyhyuan; Dikeman, Roxane

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 modified hemicellulose A, hemicellulose B modified, hemicellulose A, modified hemicellulose B or moistures thereof, are employed as water soluble bulking agents to replace the functional properties of carbohydrates or fats.

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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 September 6, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 6, 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.
FiledJuly 21, 1988
GrantedSeptember 6, 1994
Term endedSeptember 6, 2011
Patent numberCA 1331844 C
Classification (IPC)A21D2/14 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJuly 21, 1988Patent grantedSep 6, 1994Term endedSep 6, 2011

Sources & verification

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