Patent Yard Sign in
Canadian application, no grantCanada

Non-ocular circadian clock resetting in humans

CA 2292646 A1 · Owner: Murphy, Patricia J. · Inventors: Campbell, Scott S.; Murphy, Patricia J.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A method for resetting the phase of the human circadian clock and for , enhancing alertness and performance in humans is disclosed using a light device (10). The method involves the application of non-solar photic stimulation, in the range of 15 lux to 150,000 lux to any non-ocular region , of the human body during wakefulness or during sleep. Preferably the photic , stimulation has a wavelength within the visible spectrum (400 nm to 750 nm). The method can be used to both delay and advance the circadian clock according to a phase response curve (PRC). The method may also be used for acute/immediate enhancement of alertness and performance. The method is applicable to alleviation of …

Read the whole patent

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 11, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 11, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 11, 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 11, 1998
GrantedNo grant recorded
Term endedMay 11, 2018
Patent numberCA 2292646 A1
Classification (IPC)A61N5/00 +1 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedMay 11, 1998Term endedMay 11, 2018

Sources & verification

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