Synthetic herbicide resistance gene
CA 2464426 A1 · Owner: The United States Of America, As Represented By The Secretary Of Agricul Ture · Inventors: Oliver, Melvin J.; Burke, John J.; Velten, Jeffrey P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a DNA molecule, a DNA construct a transgenic plant and , a transgenic plant part comprising a synthetic DNA sequence. The synthetic DNA sequence encodes an enzyme that degrades 2,4-dichlorophenoxyacetic acid (2,4- D) to dichlorophenol. The synthetic DNA sequence comprises a natural microbial sequence that encodes the enzyme in which at least a plurality of the codons of the natural microbial sequence have been replaced by codons more preferred by a plant. The invention also provides a method of controlling weeds in a field containing transgenic plants according to the invention by applying an auxin herbicide, such as 2,4-D, to the field. The invention further …
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 October 24, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 24, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 24, 2024.
- 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.