Plant parasitic nematode control
CA 2091450 C · Owner: University Of Leeds (The) · Inventors: Atkinson, Howard J.; Gurr, Sarah J.; Mcpherson, Michael J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a method of conferring nematode resistance to a plant identification is made of a gene which is induced within a nematode infected plant as a result of the infection. The so identified gene is then modified to confer nematode resistance to the plant. The method avoids this use of nematicides which, can be toxic, and improves on cultural and existing gene techniques by being universal in application and persistent.
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
- Filed September 10, 1991 and granted July 25, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 10, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 10, 2013.
- 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.