Biological pesticide
CA 1306670 C · Owner: Dunn, Peter E. · Inventors: Aronson, Arthur I.; Dunn, Peter E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Corn rootworm infestations can be controlled by inoculating the soil with parasporal-inclusion forming species of Bacillus laterosporus to produce viable populations of that bacteria effective to reduce crop damage. Viable populations of B. laterosporus can be initiated by application to the soil, of effective amounts of vegetative cells or spores of the organism either in liquid suspensions, or as coatings on seeds or granular substrates.
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 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 2009.
- 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.