Fire-resistant sulfur concrete
US9796629B1 · kind B1 · utility
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24References
19Claims
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Key dates
| Filing date | Feb 27, 2017 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Feb 27, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2555/54
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A sulfur concrete has constituents that include a coarse aggregate in an amount in a range of 40-50 wt % of the weight of the sulfur concrete, a fine aggregate in an amount in a range of 20-40 wt % of the weight of the sulfur concrete, a fine filler in an amount in a range of 8-12 wt % of the weight of the sulfur concrete, and a binder in an amount in a range of 12-20 wt % of the weight of the sulfur concrete. The binder includes elemental sulfur in an amount in a range of 25-60 wt % of the weight of the binder and asphalt in an amount in a range of 40-75 wt % of the weight of the binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.