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Expired Canadian patentCanada

Bread-making additive and bread-making composition

CA 2459916 C · Owner: Takeya, Koji · Inventors: Yagishita, Takahiro; Takeya, Koji; Motoi, Hirofumi

CIPO record

Overview

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

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Abstract From the Canadian patent

Provided are a bread-making additive containing a water-insoluble resistant starch and a gluten; and a bread-making composition containing the additive and a grain powder. By using this additive or composition breads excellent in crust, crumb, texture and the like can be made.

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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

  • Filed March 5, 2004 and granted August 21, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 5, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 5, 2026.
  • 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 5, 2004
GrantedAugust 21, 2012
Term endedMarch 5, 2024
Patent numberCA 2459916 C
Classification (IPC)A21D2/18

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedMarch 5, 2004Patent grantedAug 21, 2012Term endedMarch 5, 2024

Sources & verification

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