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Canadian application, no grantCanada

Intra-cancer-cell nuclease activator

CA 2306085 A1 · Owner: Hirabayashi, Kazuko · Inventors: Seki, Junzo; Hirabayashi, Kazuko

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A drug efficacious for cancer therapy and a novel drug containing a doublestranded RNA such as poly(I).poly(C). Specifically an intra-cancer-cell , nuclease activator containing 2-O-(2-diethylaminoethyl)-carbamoyl-1,3-Odioleylglycerol and a composite comprising a carrier prepared from a phospholipid as an essential component and poly(I).poly(C) or mismatched poly(I).poly(C).

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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 October 15, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 15, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 15, 1998
GrantedNo grant recorded
Term endedOctober 15, 2018
Patent numberCA 2306085 A1
Classification (IPC)A61K47/48 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedOct 15, 1998Term endedOct 15, 2018

Sources & verification

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