Concrete admixture
US4650522A · kind A · utility
14Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1985 |
| Grant date | Mar 17, 1987 |
| Priority date | — |
| Expiry date | Sep 12, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B24/28
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a concrete admixture comprising a polyethyleneimine compound for incorporation into a cementing composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.