Biocidal proteins
CA 2116541 A1 · Owner: Broekaert, Willem F. · Inventors: Cammue, Bruno P.; Osborn, Rupert W.; Rees, Sarah B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Biocidal proteins isolated from seeds have been characterized in, particular proteins isolated from members of the Brassicaceae Compositae and Leguminosae families including Raphanus Brassica, Sinapis, Arabidopsis, Dahlia Cnicus, Lathyrus) and, Clitoria. The proteins show a wide range of antifungal activity and some are active against Gram-positive bacteria. All share a common amino acid sequence. DNA encoding the proteins has been isolated and incorporated into vectors. Plants transformed with this DNA may be produced. The proteins find commercial application as antifungal or antibacterial agents; transformed plants will show increased disease-resistance.
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 August 27, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 27, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 27, 2014.
- 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.