Rhizobial growth enhancement
CA 1288076 C · Owner: Alberta Research Council · Inventors: Leps, Walter Thomas; Thompson, Bradley George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The growth characteristics of rhizobial bacteria and, the secretion products of fermentation thereof such as exopolysaccharides are controlled and enhanced by adjustments to the dissolved oxygen concentration in the fermentation broth the concentration of sugar (e.g. sucrose) in the fermentation broth, the sugar:yeast extract ratio and the pH of the broth either individually or in combinations of two or more of such features.
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 August 27, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 2008.
- 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.