Protection of a dispersing agent during a grinding operation
US8629202B2 · kind B2 · utility
0Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2010 |
| Grant date | Jan 14, 2014 |
| Priority date | — |
| Expiry date | Dec 29, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F220/34
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method includes using a composition in the production of cement, the composition including at least one dispersing agent and at least one sacrificial molecule to partially or totally retain the properties of the dispersing agent; being either in the form of a liquid solution, or an emulsion or a suspension; the quantity of the sacrificial molecule in the composition representing at least 5% by mass of the mass of dispersing agent; and being introduced before or during the grinding of the clinker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.