PCC with reduced portlandite content
US11021374B2 · kind B2 · utility
0Cited by
11References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2019 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Jun 20, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention is directed to a process for producing an aqueous suspension of precipitated calcium carbonate, wherein a milk of lime is prepared by mixing water, a calcium oxide containing material, and a precipitation enhancer, and subsequently, the milk of lime is carbonated to form an aqueous suspension of precipitated calcium carbonate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.