The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 13, 2025

Filed:

May. 15, 2024
Applicant:

Navidea Biopharmaceuticals, Inc., Columbus, OH (US);

Inventors:

David A. Ralph, Columbus, OH (US);

Jeffrey Scott Arnold, Andover, MA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H 13/12 (2006.01); A61K 45/06 (2006.01); A61K 47/61 (2017.01); C07F 9/6539 (2006.01);
U.S. Cl.
CPC ...
C07H 13/12 (2013.01); A61K 45/06 (2013.01); A61K 47/61 (2017.08); C07F 9/65397 (2013.01);
Abstract

Provided are novel compounds containing a polymeric carbohydrate backbone, one or more mannose-binding C-type lectin receptor targeting moieties, and a nitrogenous bisphosphonate compound coupled to the backbone via a thiol-maleimide conjugation, in addition to pharmaceutical compositions, methods of synthesizing, and methods of use. The thiol-maleimide conjugation of a bisphosphonate to a polymeric carbohydrate backbone provides for methods of using the compounds and compositions thereof for releasing the therapeutic payload when internalized into a mannose-binding C-type lectin receptor-expressing cell, such as tumor associated macrophages (TAMs) for the treatment of various diseases, including, cancer, autoimmune diseases, and inflammatory disorders.


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Ralph, David. (2025). Cd206 targeted drug delivery vehicles carrying novel bisphosphonate drug payloads via a degradable linker (U.S. Patent No. 12297222). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12297222

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