Anti-filming surface-active agent
US9873637B2 · kind B2 · utility
0Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2010 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Aug 6, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/34
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to an anti-filming surface adjuvant for hydraulic binders comprising at least one fat and at least one anti-caking agent, to its preparation method as well as to a method for preparing a hydraulic binder composition suitable for making screeds or self-compacting concretes (SCC) including the step consisting of adding to the hydraulic binder the adjuvant according to the invention at a dosage comprised between 50 and 1,500 g/m3 of screed or of concrete.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.