Concrete admixture
US4808641A · kind A · utility
38Cited by
0References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1987 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Jul 14, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/304
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to an admixture to be used in preparing a fresh concrete with enhanced flowability and air-entraining property.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.