Targeted polymeric delivery systems
CA 2455856 A1 · Owner: Immunomedics, Inc. · Inventors: Griffiths, Gary L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method for targeting an agent towards a target site in a tissue comprising (a) administering to a tissue a multispecific antibody (msAb) or multi-specific antibody fragment comprising a , targeting arm that binds to an antigen on the target site and a capture arm , that binds to a polymer conjugate; and (b) administering to the tissue a polymer conjugate that binds to the capture arm with the polymer conjugate , comprising a polymer conjugated to an agent selected from the group consisting of a therapeutic agent, a peptide, an enzyme and a labeled ligand. The present invention also relates to a kit, useful for targeting a target site in a tissue or …
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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 July 31, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 31, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 31, 2024.
- 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.