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Expired Canadian patentCanada

Treatment of cardiac hypertrophy using interferon-gamma

CA 2325442 C · Owner: Jin, Hongkui · Inventors: Yang, Renhui; Paoni, Nicholas J.; Jin, Hongkui

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

The invention concerns the treatment of cardiac hypertrophy by interferongamma (IFN-.gamma.). Cardiac hypertrophy may result from a variety of diverse pathologic conditions, including myocardial infarction hypertension, hypertrophic cardiomyopathy and valvular regurgitation. The treatment extends to all stages of the progression of cardiac hypertrophy with or without , structural damage of the heart muscle regardless of the underlying cardiac , disorder.

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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 19, 1999 and granted October 11, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 19, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 19, 2021.
  • 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 19, 1999
GrantedOctober 11, 2011
Term endedMarch 19, 2019
Patent numberCA 2325442 C
Classification (IPC)A61K38/21 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedMarch 19, 1999Patent grantedOct 11, 2011Term endedMarch 19, 2019

Sources & verification

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