Soybean cysteine proteinase inhibitors, nucleotides encoding the same, and methods of use thereof
CA 2247798 A1 · Owner: Bressan, Ray A. · Inventors: Murdock, Larry L.; Shade, Richard E.; Hasegawa, Paul M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to the isolation purification and use of three soybean cysteine proteinase inhibitors, designated L1 R1 and N2, which have strong , inhibitory activity with respect to cysteine proteinases found in the digestive tracts of certain herbivorous insects. The invention further relates to three nucleotide sequences which have been cloned isolated and sequenced, these nucleotide sequences coding for the three above-named proteins as well , as a vector having one or more of these sequences provided therein. The invention also relates to plants transformed by inventive vectors transformed , plants having an enhanced ability to resist predation by said insects as well , as …
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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 February 28, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 28, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 28, 2019.
- 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
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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.