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Canadian application, no grantCanada

Kcnq potassium channels and methods of modulating same

CA 2300985 A1 · Owner: Yang, Wen-Pin · Inventors: Gribkoff, Valentin K.; Yang, Wen-Pin; Levesque, Paul C.

CIPO record

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Abstract From the Canadian patent

The present invention relates to KCNQ proteins defining potassium channels. In particular, the invention concerns the human KCNQ2 human KCNQ3, murine KCNQ2, and rat KCNQ2 proteins reported herein. KCNQ2 and KCNQ3 proteins are nervous system-selective and may be involved in neurotransmission and neuroprotection. The KCNQ2 and KCNQ3 of the present invention can be used to assay for modulators of the proteins, which would be useful in treatment of such disorders as ataxia, myokymia, seizures Alzheimer's disease, Parkinson's , disease age-associated memory loss, learning deficiencies motor neuron , diseases, epilepsy, stroke and the like.

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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 June 26, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 26, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 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.
FiledJune 26, 1998
GrantedNo grant recorded
Term endedJune 26, 2018
Patent numberCA 2300985 A1
Classification (IPC)C12N15/12 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedJune 26, 1998Term endedJune 26, 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.