Introduction of nutrient medium into a fermenter
CA 1052715 A · Owner: Imperial Chemical Industries Plc · Inventors: Roesler, Frank C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for continuous fermentation wherein a limiting nutrient such as a carbon source is supplied to a culture at sufficient positions and at suitable rates to ensure that another nutrient such as oxygen does not effectively become the limiting nutrient. The invention is particularly applicable to the cultivation of bacteria such as Pseudomonas methylotropha upon methanol where it is undesirable that oxygen should become the limiting nutrient in any part of the culture.
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 April 17, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 17, 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.