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Expired Canadian patentCanada

Methods for comparitive analysis of carbohydrate polymers

CA 2428150 C · Owner: Procognia (Israel) Ltd. · Inventors: Rothman, Chana; Markman, Ofer; Or, Einat

CIPO record

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Abstract From the Canadian patent

Disclosed is a method for characterizing a carbohydrate polymer by identifying at least two binding agents that bind to the carbohydrate polymer. Binding is preferably determined by contacting the carbohydrate polymer with substrate that contains a plurality of first saccharide-binding agents affixed at predetermined locations on the substrate. The carbohydrate polymer is allowed to contact the substrate under conditions that allow for formation of a first complex between the first saccharide-binding agent and the carbohydrate polymer. A second saccharide-binding agent which preferably includes a label, is also contacted with the carbohydrate polymer under conditions that allow for …

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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 November 5, 2001 and granted March 13, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 5, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 5, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 5, 2001
GrantedMarch 13, 2012
Term endedNovember 5, 2021
Patent numberCA 2428150 C
Classification (IPC)G01N33/53 +1 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedNov 5, 2001Patent grantedMarch 13, 2012Term endedNov 5, 2021

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