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. 09, 1999
Filed:
Jan. 03, 1997
Applicant:
Inventors:
Trikur A Ramanarayanan, Somerset, NJ (US);
Adnan Ozekcin, Bethlehem, PA (US);
Assignee:
Exxon Research and Engineering Company, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
428610 ; 148270 ; 148320 ; 148909 ;
Abstract
Corrosion of conventional refinery steels due to sulfur bearing, carboxylic acid containing hydrocarbon materials is minimized by forming on the surface of the steel a fine grain iron sulfide film where at least the steel surface is substantially all of a pearlite microstructure.