Concrete composition method of producing concrete compositions and cement admixture
US7273524B2 · kind B2 · utility
7Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2003 |
| Grant date | Sep 25, 2007 |
| Priority date | — |
| Expiry date | May 2, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/29
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The objective of the present invention is to provide a concrete composition in which the amount of air entrained can be maintained stably and which is excellent in strength and durability, a concrete composition which is excellent in freeze-thaw durability owing to the good quality of foams and is excellent in air content stability with time and which can form curing products excellent in strength and durability, a method of producing such concrete composition, and a cement admixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.