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Expired Canadian patentCanada

Method for treating amyloidosis

CA 2213759 C · Owner: Neurochem (International) Limited · Inventors: Szarek, Walter; Weaver, Donald; Kisilevsky, Robert

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

Therapeutic compounds and methods for inhibiting amyloid deposition in a subject, whatever its clinical setting are described. Amyloid deposition is , inhibited by the administration to a subject of an effective amount of a therapeutic compound comprising an anionic group and a carrier molecule or a , pharmaceutically acceptable salt thereof such that an interaction between an , amyloidogenic protein and a basement membrane constituent is inhibited. Preferred anionic groups are sulfonates and sulfates. Preferred carrier molecules include carbohydrates, polymers peptides, peptide derivatives, aliphatic groups alicyclic groups, heterocyclic groups, aromatic groups and combinations …

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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 15, 1996 and granted June 7, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 15, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 15, 2018.
  • 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 15, 1996
GrantedJune 7, 2011
Term endedMarch 15, 2016
Patent numberCA 2213759 C
Classification (IPC)C07C309/01 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedMarch 15, 1996Patent grantedJune 7, 2011Term endedMarch 15, 2016

Sources & verification

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