Method for removing malodorous or toxic gases from an air stream
CA 1317561 C · Owner: Solarchem Research, A Division Of Brolor Investments Limited · Inventors: Stevens, R. D. Samuel; Brown, Pauline M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method for removing a malodorous or toxic gas from an industrial exhaust air stream in the presence of ozone and water by applying radiation to a plurality of reaction zones sequentially aligned in the air stream. The reaction is maintained at optimal efficiency by adjusting both the ozone concentration and the radiation intensity.
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
- Granted May 11, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 11, 2010.
- 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.