Transgenic plants producing a pap ii protein
CA 2329150 A1 · Owner: Tumer, Nilgun E. · Inventors: Tumer, Nilgun E.; Wang, Pinger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are recombinant plant cells, plant cell parts plant parts and , transgenic plants containing a DNA molecule comprising a sequence encoding a Pokeweed Antiviral Protein (PAP) II protein. PAP II proteins include full length, wild-type PAP II and substantially nontoxic mutants or analogs including fragments thereof truncated at the C-terminus and other PAP II proteins having an intact catalytic active site amino acid residue E172 but that also have at least one amino acid substitution or deletion and possess , anti-viral and/or anti-fungal activity. DNA molecules comprising sequences encoding the mutants or analogs, as well as the isolated and purified PAP II proteins per se, …
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 May 21, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 21, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 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.