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:
May. 19, 2026
Filed:
Aug. 04, 2021
Applicant:
Exxonmobil Technology and Engineering Company, Annandale, NJ (US);
Inventors:
Hyun-Woo Jin, Easton, PA (US);
Weiji Huang, Katy, TX (US);
Assignee:
Exxon Mobil Technology and Engineering Company, Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/58 (2006.01); C21D 8/02 (2026.01); C21D 8/021 (2026.01); C22C 33/04 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/06 (2006.01); C22C 38/42 (2006.01);
U.S. Cl.
CPC ...
C22C 38/58 (2013.01); C21D 8/02 (2013.01); C21D 8/021 (2013.01); C22C 33/04 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/06 (2013.01); C22C 38/42 (2013.01); C21D 2211/001 (2013.01);
Abstract
The present invention relates to ferrous alloys with high strength, cost-effective corrosion resistance and cracking resistance for refinery service environments, such as amine service under sweet or sour environments. More specifically, the present invention pertains to a type of ferrous manganese alloyed steels for high strength and cracking resistance and methods of making and using the same for applications including, but not limited to, amine units used in oil and gas production, petroleum refining, and chemical production.