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:
Nov. 18, 2025
Filed:
Dec. 02, 2021
Applicant:
Ventana Medical Systems, Inc., Tucson, AZ (US);
Inventors:
Edward E. Durrant, Oro Valley, AZ (US);
Christopher A. Koerber, Tucson, AZ (US);
Assignee:
Ventana Medical Systems, Inc., Tucson, AZ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 1/30 (2006.01); C09B 65/00 (2006.01); C09B 67/10 (2006.01); C09B 67/14 (2006.01); C01D 1/00 (2006.01);
U.S. Cl.
CPC ...
G01N 1/30 (2013.01); C09B 65/00 (2013.01); C09B 67/0014 (2013.01); C09B 67/0017 (2013.01); C01D 1/00 (2013.01); G01N 2001/302 (2013.01); Y10S 436/826 (2013.01);
Abstract
The present disclosure provides stabilized hematoxylin formulations having a pH of less than 2.4. In general, the stabilized hematoxylin formulations comprise a solvent, a hematoxylin dye, and an acid. The present disclosure also provides methods of using such stabilized hematoxylin formulations to stain biological samples. The present disclosure also provides for methods of readjusting the pH of a stabilized hematoxylin formulation to provide a hematoxylin staining solution.