Foundry coke products, and associated systems, devices, and methods
US12331367B2 · kind B2 · utility
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435References
21Claims
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Key dates
| Filing date | Sep 20, 2024 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Sep 20, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21B5/008
- 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 a fixed carbon content of at least 80% and/or a volatile matter content of no more than 1.0%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.