Process and apparatus for the thermal combustion of waste gases
CA 1074687 A · Owner: Ciba-Geigy Ag · Inventors: Hartwig, Jost W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case 72-10849, Canada, PROCESS FOR THE THERMAL COMBUSTION OF WASTE GASES AND THERMAL AFTER-BURNING PLANT FOR CARRYING OUT SAID PROCESS ABSTRACT OF THE DISCLOSURE, A process for the thermal after-burning of waste gases containing combustible substances capable of forming an explosive mixture with air in a specific concentration range comprises feeding the waste gas undiluted to a flame with a concentration of combustible substances which varies between the lower and the upper explosion limits feeding, the waste gas to the combustion zone at an entry speed higher than 10 m/sec, and discontinuing the supply of waste gas when a limit temperature of 80°C is exceeded in the waste gas shortly …
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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 April 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 1, 1997.
- 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.