Heterobifunctional cross-linking agent conjugate substituted by an immunomodulator and cell recognition unit
CA 2409255 A1 · Owner: Glusenkamp, Karl-Heinz · Inventors: Glusenkamp, Karl-Heinz; Dilloo, Dagmar
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 compounds comprising three components. Component (1) is a heterobifunctional cross-linking agent to which component (2) having immunomodulating function is linked by covalent link. Said compound also comprises a component (3) having a linking function to the cell surface. According to the invention, the links between component (1) and component (2) are labile depending on pH. The present invention further relates to methods for producing the above-mentioned compounds a drug containing said compounds , and the use thereof especially in the treatment of tumor diseases.
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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 May 17, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 17, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 17, 2023.
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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.