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Expired Canadian patentCanada

Capsules containing active substance pellets with different release profiles

CA 2537477 C · Owner: Boehringer Ingelheim International Gmbh · Inventors: Schneider, Roland; Anschuetz, Sergej

CIPO record

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Abstract From the Canadian patent

The invention relates to a capsule containing different active substance pellets , having at least two different active substances which differ with regard to , their release profile in the gastrointestinal tract. These active substances are selected from the group , consisting of vitamins mineral substances, trace elements, unsaturated fatty acids, amino , acids and/or plant extracts and substances. The different release profiles depict a rapid, medium and/or slow dissolution of the active substance pellets. This controlled release , leads to a target-oriented resorption of the active substances into the different resorption , enables the bioavailability to be improved to a high …

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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 August 28, 2004 and granted May 14, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 28, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 28, 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.
FiledAugust 28, 2004
GrantedMay 14, 2013
Term endedAugust 28, 2024
Patent numberCA 2537477 C
Classification (IPC)A61K9/50

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedAug 28, 2004Patent grantedMay 14, 2013Term endedAug 28, 2024

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