Process for treating metal chlorides
US5076850A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1991 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Mar 7, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Process for making aggregate suitable for use as a road base material comprising: PA1 (a) mixing metal chlorides with alkaline substance selected from the group consisting essentially of at least one cementitious material and optionally about 0.1-50%, based on the total weight of the alkaline substance, of at least one neutralizing agent, said mixing taking place in the presence of water in the amount of about 70-200 percent, based on the total weight of the alkaline substance, PA1 (b) partially curing the product resulting from step (a), and PA1 (c) agitating the product resulting from step (b) until aggregate is formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.