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Canadian application, no grantCanada

Method for improving ventilation during sleep and treating sleep related ventilation abnormalities

CA 2030737 A1 · Owner: Askanazi, Jeffrey · Inventors: Trimbo, Susan; Askanazi, Jeffrey

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 method for improving ventilation during sleep and treating sleep-related ventilation abnormalities. To this end, the present invention provides a method of using branched-chain amino acids as an effective therapy for sleep apnea. The branched-chain amino acid composition can be administered either parenterally or enterally, and can be administered alone or in combination with other nutrients. The branched-chain amino acid composition of the prevent invention functions as a ventilatory stimulator during sleep and does not result in any adverse effects either to the patient or to the sleep patterns of the patient. Preferably the, branched-chain amino acids comprise 60 to 85% of an amino …

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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 November 23, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 23, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 23, 1990
GrantedNo grant recorded
Term endedNovember 23, 2010
Patent numberCA 2030737 A1
Classification (IPC)A61K31/19

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedNov 23, 1990Term endedNov 23, 2010

Sources & verification

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