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:
Feb. 10, 2026
Filed:
Aug. 28, 2023
Applicants:
Zhihong Tang, Carmel, IN (US);
Daryl G. Copeland, Indianapolis, IN (US);
Mark W. Perpall, Indianapolis, IN (US);
Inventors:
Zhihong Tang, Carmel, IN (US);
Daryl G. Copeland, Indianapolis, IN (US);
Mark W. Perpall, Indianapolis, IN (US);
Assignee:
PRAXAIR S.T. TECHNOLOGY, INC., North Haven, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 14/08 (2006.01); C09D 1/02 (2006.01); C09D 5/10 (2006.01); C09D 5/18 (2006.01); C09D 7/40 (2018.01); C09D 7/61 (2018.01); C23C 24/10 (2006.01);
U.S. Cl.
CPC ...
C09D 5/103 (2013.01); C09D 1/02 (2013.01); C09D 5/18 (2013.01); C09D 7/61 (2018.01); C09D 7/68 (2018.01); C09D 7/69 (2018.01); C23C 14/08 (2013.01); C23C 24/103 (2013.01);
Abstract
Novel multilayer aqueous slurries and coatings for hot corrosion protection of substrates are provided that exhibit improved resistance to type II hot corrosion while also being hexavalent chromium free. The compositions represent a notable departure and performance improvement from conventional coating systems utilized for hot corrosion protection.