Chlorine dioxide generation
CA 1049711 A · Owner: Erco Industries Limited · Inventors: Rapson, W. Howard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Chlorine dioxide production is integrated with a pulp mill system. A gaseous mixture of chlorine dioxide and chlorine is formed in a chlorine dioxide generating zone an, aqueous solution of chlorine dioxide wherein no more than about 10% of the available chlorine of the aqueous solution is provided by chlorine and the remainder of the available chlorine is provided by the chlorine dioxide is formed from the gaseous mixture, the aqueous chlorine dioxide solution is used to bleach cellulosic fibrous material pulp hydrogen, chloride is formed by reaction between the chlorine separated from the mixture and hydrogen and the hydrogen chloride is forwarded to the chlorine dioxide generating zone …
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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 March 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 1996.
- 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.