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Canadian application, no grantCanada

Methods for testing and producing (-) strand rna virus vectors with reduced particle formation ability

CA 2460778 A1 · Owner: Inoue, Makoto · Inventors: Inoue, Makoto; Iida, Akihiro; Tokusumi, Yumiko

CIPO record

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Abstract From the Canadian patent

It is intended to provide a method of examining a (-) strand RNA virus vector having a lowered ability to form grains or a lowered cytotoxicity or lacking the same; and a method of constructing producing the vector. It is found out that the formation of virus-like grains in cells having a (-) strand RNA virus vector transferred thereinto can be regulated by lowering or eliminating the localization of M protein expressed in the cells. Thus a method of examining , a (-) strand RNA virus vector having a lowered ability to form grains or lacking the ability, a screening method and a method of constructing the (-) , strand RNA virus vector having a lowered ability to form grains or lacking …

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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 September 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 18, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 18, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 18, 2002
GrantedNo grant recorded
Term endedSeptember 18, 2022
Patent numberCA 2460778 A1
Classification (IPC)C12N15/86 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedSep 18, 2002Term endedSep 18, 2022

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