Binder for mine tailings, alluvial sand and the like
US7837412B2 · kind B2 · utility
10Cited by
6References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 12, 2007 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Apr 7, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A binder for mine tailings, alluvial sand and other aggregate used as a backfill for an underground void comprises ferrous slag, cement kiln dust and/or lime kiln dust, and Portland cement and/or lime; the binder displays strength characteristics better than or comparable to those achieved with conventional binders based on Portland cement or Portland cement and slag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.