Process for manufacturing a soil treatment composition, soil treatment compositions and use of such compositions
US6673145B2 · kind B2 · utility
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1References
12Claims
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Key dates
| Filing date | May 22, 2002 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | May 22, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/90
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to a process for manufacturing a soil treatment composition, to soil treatment compositions and to the use of such compositions. The process according to the invention comprises a step of selecting one or more slags having a predetermined free lime content of greater than or equal to a first threshold value, a step (B1) of adding free lime to the slag or slags and a step of grinding the slag or slags in order to obtain a soil treatment composition having a predetermined free lime content of greater than or equal to a second value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.