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. 11, 2023
Filed:
Feb. 14, 2020
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Weilong Zhang, Glastonbury, CT (US);
Michael A. Kryzman, West Hartford, CT (US);
Assignee:
RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 9/02 (2006.01); C23C 22/40 (2006.01); C25D 9/06 (2006.01); C09K 15/06 (2006.01); C25D 9/08 (2006.01); C25D 13/06 (2006.01); C25D 9/12 (2006.01); C25D 9/10 (2006.01); C25D 9/04 (2006.01); C09D 5/08 (2006.01);
U.S. Cl.
CPC ...
C25D 9/06 (2013.01); C09D 5/084 (2013.01); C09K 15/06 (2013.01); C25D 9/02 (2013.01); C25D 9/04 (2013.01); C25D 9/08 (2013.01); C25D 9/10 (2013.01); C25D 9/12 (2013.01); C25D 13/06 (2013.01);
Abstract
Disclosed is a solution composition which may be used for a single-bath electrochemical passivation and a method using the same. The solution composition includes a metal cation, a metal-oxide anion; and an organic ligand, and optionally includes a non-metallic oxide anion or a polymer. The solution composition may prevent undesired precipitation of metal oxides before performing passivation. In addition, the method of passivation using the solution composition in a single-bath use is also provided.