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.

Date of Patent:
Jun. 03, 2025

Filed:

Nov. 10, 2023
Applicant:

Suncoke Technology and Development Llc, Lisle, IL (US);

Inventors:

John Francis Quanci, Haddonfield, NJ (US);

John Michael Richardson, Devon, PA (US);

Jonathan Hale Perkins, Lisle, IL (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10B 57/04 (2006.01); C10B 57/06 (2006.01); C10L 1/04 (2006.01); C21B 5/00 (2006.01);
U.S. Cl.
CPC ...
C21B 5/007 (2013.01);
Abstract

A coke product configured to be used in foundry cupolas to melt iron and produce cast iron products is disclosed herein. In some embodiments, the coke product has a Coke Reactivity Index (CRI) of at least 30% and an ash fusion temperature (AFT) less than 1316° C. Additionally or alternatively, the coke product can comprise (i) an ash content of at least 8.0%, (ii) a volatile matter content of no more than 1.0%, (iii) a Coke Strength After Reaction (CSR) of no more than 40%, (iv) a 2-inch drop shatter of at least 90%, and/or (v) a fixed carbon content of at least 85%.


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