Methods to screen herbicidal compounds utilizing air synthetase from arabidopsis thaliana
CA 2329690 A1 · Owner: Subramanian, Venkiteswaran · Inventors: Walters, Eric; Subramanian, Venkiteswaran; Ward, Eric Russell
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention discloses methods to screen chemicals for herbicidal activity using recombinantly produced enzymes having AIR synthetase activity and the use thereby to identify herbicidal chemicals to suppress the growth of undesired vegetation. Furthermore, the present invention provides methods for the development of herbicide tolerance in plants plant tissues, plant seeds, and plant cells using genes encoding enzymes having AIR synthetase activity and methods of using such transgenic plants to selectively suppress weed growth in crop fields.
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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 June 22, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 22, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 22, 2021.
- 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.