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. 12, 2020

Filed:

Jun. 18, 2019
Applicant:

Endocyte, Inc., West Lafayette, IN (US);

Inventors:

Iontcho R. Vlahov, West Lafayette, IN (US);

Christopher P. Leamon, West Lafayette, IN (US);

Apparao Satyam, Mumbai, IN;

Stephen J. Howard, Sherman, IL (US);

Assignee:

Endocyte, Inc., West Lafayette, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/71 (2006.01); C07D 401/12 (2006.01); C07D 475/04 (2006.01); A61K 49/00 (2006.01); A61K 47/55 (2017.01); A61K 47/68 (2017.01);
U.S. Cl.
CPC ...
C07D 213/71 (2013.01); A61K 47/551 (2017.08); A61K 47/6803 (2017.08); A61K 49/0002 (2013.01); C07D 401/12 (2013.01); C07D 475/04 (2013.01);
Abstract

This invention pertains to bivalent linkers, and the synthesis and use thereof. In particular, this invention pertains to the synthesis and use of bivalent linkers in preparing vitamin, drug, diagnostic agent, and/or imaging agent conjugates. The present invention includes divalent linkers, which are alternatively referred to as bivalent linkers, that may be used to couple, link, bond, attach, or otherwise associate two or more chemical entities. This coupling, linking, attachment, or association may be used in the formation of conjugates of such chemical entities. Those chemical entities include targeting ligands and receptor-binding ligands, such as vitamins. Those chemical entities also include drugs for treating various diseases or disease states, and imaging and diagnostic agents for diagnosing, detecting, or otherwise monitoring various diseases or disease states.


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