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:
Apr. 13, 2021
Filed:
Nov. 17, 2017
Applicant:
Ventana Medical Systems, Inc., Tucson, AZ (US);
Inventors:
Edward E. Durrant, Oro Valley, AZ (US);
Henning Groll, Tucson, AZ (US);
Casey A. Kernag, Tucson, AZ (US);
Charles H. Weidner, Tucson, AZ (US);
Kenneth S. Weir, Oro Valley, AZ (US);
Assignee:
Ventana Medical Systems, Inc., Tucson, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 1/30 (2006.01); G01N 1/31 (2006.01); C09B 67/10 (2006.01); C09B 67/14 (2006.01); G01N 35/10 (2006.01); G01N 35/00 (2006.01);
U.S. Cl.
CPC ...
G01N 1/30 (2013.01); C09B 67/0014 (2013.01); C09B 67/0017 (2013.01); G01N 1/312 (2013.01); G01N 35/1002 (2013.01); G01N 35/1004 (2013.01); G01N 2001/302 (2013.01); G01N 2035/00138 (2013.01); G01N 2035/00277 (2013.01);
Abstract
Methods and compositions for removing precipitates or reducing the formation of precipitates generated in hematoxylin solutions. The methods and compositions feature cleaning solutions that feature chemical compounds that initiate processes including but not limited to acidification of the waste solution, chelation of metal ions in the waste solution, reduction reactions, oxidation reactions, and metal salt addition reactions.