Use of ozone for treating diseases of body cavity tissues, and apparatus therefore
CA 2274792 A1 · Owner: Riskin, Yefim · Inventors: Riskin, Yefim
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to use of ozone in the manufacture of a gaseous medicament, for treating a disease of a body cavity tissue in mammals by introducing the medicament into the cavity and to an apparatus incorporating , an ozone generator and means for supplying ozonized gas therefrom at a pressure sufficient to drive a flow of such gas through delivery means and into the body cavity. Diseases which may be treated in this manner are e.g. mastitis in cows and cystitis.
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 September 11, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 11, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 11, 2019.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.