Foundry coke products, and associated systems, devices, and methods
US12319976B2 · kind B2 · utility
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434References
16Claims
0Family size
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Key dates
| Filing date | Nov 10, 2023 |
| Grant date | Jun 3, 2025 |
| Priority date | — |
| Expiry date | Nov 10, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10B57/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
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%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.