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.
Patent No.:
Date of Patent:
Aug. 04, 2026
Filed:
Jan. 06, 2023
Applicant:
Regeneron Pharmaceuticals, Inc., Tarrytown, NY (US);
Inventors:
Song Nie, Armonk, NY (US);
Reid O'brien Johnson, Hartsdale, NY (US);
Tyler Greer, Elmsford, NY (US);
Xiaojing Zheng, Gaithersburg, MD (US);
Assignee:
REGENERON PHARMACEUTICALS, INC., Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/68 (2006.01); G01N 30/88 (2006.01);
U.S. Cl.
CPC ...
G01N 33/6848 (2013.01); G01N 30/88 (2013.01); G01N 2030/8831 (2013.01);
Abstract
The present invention generally pertains to methods of characterizing peptides or proteins of interest. In particular, the present invention pertains to the use of the nonionic surfactant DDM to improve recovery of hydrophobic peptides in pharmacokinetic, reduced peptide mapping, or other biotherapeutic protein analyses.