Additives for roller compacted concrete pavement
US5173117A · kind A · utility
11Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1991 |
| Grant date | Dec 22, 1992 |
| Priority date | — |
| Expiry date | Nov 21, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/343
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An additive for roller compacted concrete pavement which controls the heat of hydration, prevents the reduction of packing of the pavement and prevents thermal cracking of the dried end product. The additive is a hydrolyzable tannin compound used alone or in conjunction with a surface active agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.