Roadway base intermediate, roadway base, and methods of manufacture
US6387175B1 · kind B1 · utility
15Cited by
17References
29Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 5, 2000 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | Oct 18, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A roadway base comprises oily sludge, steelmaking slag fines, and an additive selected from the group consisting of cement, fly ash, asphaltic emulsion, and mixtures thereof
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.