Method of purifying exhaust gas
CA 1290922 C · Owner: Kobayashi, Yoshio · Inventors: Kobayashi, Yoshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of purifying an exhaust gas characterized by dispersing individually independent fine particles of a Ca-type absorbent in a carrier gas to a high concentration by a dividing-dispersing device to which the carrier gas and the absorbent are supplied, the absorbent being up to 10 microns in mean particle diameter, introducing the resulting aerosol of high concentration into the exhaust gas to uniformly mix the aerosol with the exhaust gas and thereafter introducing the exhaust gas into a dust collector whereby, the fine particles of absorbent absorbing harmful acid substances from the exhaust gas are removed together with dust and soot. The absorbent forming secondary agglomerates …
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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
- Granted October 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2008.
- 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.