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Expired Canadian patentCanada

Alkaloid-containing feed or feed additive

CA 2567005 C · Owner: Roth, Hermann · Inventors: Roth, Hermann

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

The invention relates to a feed containing conventional feed substances or , feed additives for producing said feed. According to the invention the feed , or feed additive contains a protopine alkaloid in particular .alpha.-, allocryptopine preferably in combination with at least one benzophenanthridine alkaloid in an active quantity as a stimulant and appetite enhancer for commercial animals.

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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 May 6, 2005 and granted March 26, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 6, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 6, 2005
GrantedMarch 26, 2013
Term endedMay 6, 2025
Patent numberCA 2567005 C
Classification (IPC)—

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMay 6, 2005Patent grantedMarch 26, 2013Term endedMay 6, 2025

Sources & verification

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