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Canadian application, no grantCanada

Purified cytokine inhibitory factor

CA 2474360 A1 · Owner: Iyer, Subramanian · Inventors: Nguyen, Lance; Ross, Steven C.; Iyer, Subramanian

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

Disclosed is a composition comprising a substantially purified Cytokine Inhibitory Factor (CIF) having certain characteristics including the ability , to inhibit RNA transcription of the pro-inflammatory cytokines tumor necrosis factor alpha (TNF-.alpha.), interleukin 1-beta (IL-1.beta.) and interleukin-2 , (IL-2). Also disclosed is a method for substantially purifying the Cytokine Inhibitory Factor and a method for modulating the immune system of an animal using such composition.

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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 February 11, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 11, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 11, 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.
FiledFebruary 11, 2003
GrantedNo grant recorded
Term endedFebruary 11, 2023
Patent numberCA 2474360 A1
Classification (IPC)A61K35/54

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedFeb 11, 2003Term endedFeb 11, 2023

Sources & verification

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