Methods and apparatus for treating a gas flow
CA 1097891 A · Owner: Lindstrom, Olle B. · Inventors: Lindstrom, Olle B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gas flow is treated by passing the gas upwardly in a chimney. A plurality of contact elements coated with a, treating agent, are released at the top or a contact zone in the chimney for uniform free falling movement through the rising gas, so that the gas contacts the treating agent.
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 March 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 1998.
- 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.