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. 07, 2023
Filed:
Jul. 08, 2021
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Sean C. Emerson, Broad Brook, CT (US);
Blair A. Smith, South Windsor, CT (US);
Weina Li, South Glastonbury, CT (US);
Georgios S. Zafiris, Glastonbury, CT (US);
Bart Antonie Van Hassel, Weatogue, CT (US);
HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);
Abstract
A method of applying a trivalent chromium or chromium-free conversion coating to a metallic substrate including mixing a dye compound that interacts with electromagnetic radiation outside the human visual spectrum but not electromagnetic radiation that is within the human visual spectrum to produce an observable emission into the trivalent chromium or chromium-free conversion coating mixture to allow for inspection of the coating after applied with a correlating electromagnetic radiation source.