Gas-liquid exchange column
CA 1064813 A · Owner: Sulzer Brothers Limited · Inventors: Wynn, Nicholas P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The inside of a reaction chamber of a counter-flow gas-liquid exchange column is filled with a liquid and gas permeable packing made of solid material such as a wire mesh and liquid is recirculated through this packing to increase the gas-liquid interfacial area and thus considerably increase . the exchange rate at a relatively low cost of the apparatus.
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 October 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 23, 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.