Navidea Biopharmaceuticals has patented a method for conjugating a metal chelating agent to a functionalized dextran by reacting a chelator with an aminated dextran backbone. The process ensures the complex is free of crosslinking, offering potential applications in medical imaging and drug delivery. GlobalData’s report on Navidea Biopharmaceuticals gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Navidea Biopharmaceuticals, Isotropically modified heterocyclic compounds was a key innovation area identified from patents. Navidea Biopharmaceuticals's grant share as of February 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Method for conjugating metal chelating agent to functionalized dextran
A recently granted patent (Publication Number: US11859023B2) discloses a method for conjugating a metal chelating agent to a functionalized dextran. The process involves reacting a chelator with an aminated dextran backbone, where the chelator has carboxylic acid groups, with only one being activated to form a chelator-dextran complex. The dextran-chelator complex is ensured to be free of intra- or intermolecular crosslinking, enhancing its stability and effectiveness.
Furthermore, the patent details a method for synthesizing an amine dextran by adding mannose moieties to the chelator-dextran complex through amidate linkage to the dextran backbone. This innovative approach offers a versatile way to modify dextran for various applications. The protecting groups used in the process, such as t-butyl esters, play a crucial role in ensuring the success of the conjugation process, highlighting the importance of each step in the method outlined in the patent.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies
