A chimeric protein comprising non-toxic pseudomonas exotoxin a and type iv pilin sequences
CA 2432731 A1 · Owner: Fitzgerald, David · Inventors: Fitzgerald, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides chimeric proteins comprising a non-toxic Pseudomonas exotoxin A sequence and a Type IV pilin loop sequence wherein the Type IV , loop sequence is inserted within the non-toxic Pseudomonas exotoxin A. The invention also provides polynucleotides encoding the chimeric proteins and , compositions comprising the polynucleotides or the chimeric proteins. The invention also provides methods for using the chimeric proteins polynucleotides and compositions of the invention.
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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 December 20, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 20, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 20, 2023.
- 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.