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Expired Canadian patentCanada

Method for isolating an intestinal cholesterol binding protein

CA 2493487 C · Owner: Frick, Wendelin · Inventors: Frick, Wendelin; Kramer, Werner

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 present disclosure relates to a method for isolating a 145 kDa intestinal protein using a photoreactive , 2--azetidinone compound. Also disclosed are the resulting protein which is , able to bind cholesterol and/or cholesterol uptakers complexes of the protein with specific photolabile compounds pharmaceutical , compositions and methods and uses of the proteins and complexes for treating obesity arteriosclerosis, high blood , pressure or heart failure.

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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 July 28, 2003 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 28, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 28, 2025.
  • 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 28, 2003
GrantedJanuary 22, 2013
Term endedJuly 28, 2023
Patent numberCA 2493487 C
Classification (IPC)C07K14/47 +1 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedJuly 28, 2003Patent grantedJan 22, 2013Term endedJuly 28, 2023

Sources & verification

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