Air-entraining agent for flyash cement composition
US4828619A · kind A · utility
17Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1988 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Feb 12, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/01
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a composition comprising flyash cement and an air-entraining agent selected from the group consisting of polyoxyethylene polyalcohol fatty acid esters, polyethylene glycol fatty acid esters, polyoxyethylene pentaerythritol fatty acid esters and polyoxyethylene sorbitan fatty acid esters, and a fatty acid or salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.