Gas-liquid circulating and contacting apparatus
CA 1109816 A · Owner: Imperial Chemical Industries Limited · Inventors: Maslen, Frank P.; Cordell, Geoffrey B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fermentation process and a fermenter which operate with an over-ressure, preferably between 3 and 10 bars gauge, and an energy recovery system for use in conjunction therewith. Off-gas leaving the upper part of the fermenter passes to a gas expander which produces power for use in the compressor used in supplying air to the fermenter. The invention provides an efficient means for operating a process for producing single cell protein.
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 September 29, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 29, 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.