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Canadian application, no grantCanada

Transgenic animal expressing non-native wild-type and familial alzheimer's disease mutant presenilin 1 protein on native presenilin 1 null background

CA 2290039 A1 · Owner: Zheng, Hui · Inventors: Van Der Ploeg, Leonardus H.T.; Wong, Philip C.; Qian, Su

CIPO record

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Abstract From the Canadian patent

The present invention relates to a transgenic non-human animal embryo laking native presenilin (1) and a transgenic non-human animal having only a nonnative presenilin (1). The transgenic animals and cells derived therefrom can be used in the study of the expression pattern activity and modulators of , presenilin (1) in the study of the role of presenilin (1) in Alzheimer's Disease and in the study of disorders of the central nervous system.

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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 May 13, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 13, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 13, 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.
FiledMay 13, 1998
GrantedNo grant recorded
Term endedMay 13, 2018
Patent numberCA 2290039 A1
Classification (IPC)C12N5/00 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedMay 13, 1998Term endedMay 13, 2018

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