Rapid hydraulic binder comprising a calcium salt
US9776919B2 · kind B2 · utility
7Cited by
1References
12Claims
0Family size
Assignee
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Key dates
| Filing date | May 21, 2013 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Aug 7, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A hydraulic binder includes a Portland clinker having a Blaine specific surface of 4000 to 5500 cm2/g, from 2.5 to 8% of sulphate expressed by mass of SO3 relative to the mass of clinker, from 1.5 to 10% of calcium nitrite and/or calcium nitrate expressed as anhydrous mass relative to the mass of clinker and from 15 to 50% of a mineral addition including calcium carbonate by mass relative to the total mass of binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.