Gntiii (udp-n-acetylglucosamine:beta-d mannoside beta (1,4)-n-acetylglucosaminyltransferase iii) expression in plants
CA 2819867 A1 · Owner: Stichting Dienst Landbouwkundig Onderzoek · Inventors: Florack, Dionisius Elisabeth Antonius; Bakker, Hendrikus Antonius Cornelis; Bosch, Hendrik Jan
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 field of glycoprotein processing in tansgenic plants used as cost , efficient and contamination safe factories for the production of recombinant biopharmaceutical , proteins or pharmaceutical compositions comprising these glycoproteins. The invention , provides a plant comprising a functional mammalian enzyme providing mammalian GnTII (EC , 2.4.1.144)I that is normally not present in plants said plant additionally , comprising at least a second mammalian protein or functional fragment thereof that is normally not present in plants.
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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 March 18, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 18, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 18, 2025.
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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.