Compositions and methods for modifying toxic effects of proteinaceous compounds
CA 2503763 A1 · Owner: Board Of Regents, The University Of Texas System · Inventors: Baluna, Roxana G.; Ghetie, Victor F.; Vitetta, Ellen S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides methods to produce immunotoxins (ITs) and cytokines with a reduced ability to promote vascular leak syndrome (VLS). The invention also provides Its and cytokines which have been mutated to lack amino acid sequences which induce VLS.
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 October 29, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 29, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 29, 2025.
- 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.