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:
Oct. 06, 2026

Filed:

Jul. 12, 2025
Applicant:

Jubilant Draximage, Inc., Kirkland, CA;

Inventors:

M Umamaheshwar Prasad, Kirkland, CA;

Indranil Nandi, Yardley, PA (US);

Vijayaraj Kuniyil Kulangara, Kirkland, CA;

Dinesh Kumar Sarwal, Greater Noida, IN;

Kamaljeet Pannu, Greater Noida, IN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/64 (2006.01);
U.S. Cl.
CPC ...
C07D 213/64 (2013.01);
Abstract

The invention discloses radiopharmaceutical composition of Fluorine-18 (F18) labelled styrylpyridine compounds, for use as a medicament for the treatment or diagnosis of a disease or condition associated with build-up of amyloid-β (Aβ) aggregates, preferably F18 Florbetapir, that is free of undesirable nitrosamine drug substance related impurities (NDSRI) and other undesirable nitrosamine impurities. The invention further relates to polymorphic forms of precursors of F18 Florbetapir and their use for preparing F18 Florbetapir.


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