Process for increasing opacity of precipitated calcium carbonate
US10604416B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 24, 2016 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | May 24, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/82
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to a process for preparing an aqueous suspension comprising precipitated calcium carbonate. The invention further relates to an aqueous suspension comprising precipitated calcium carbonate as well as a partially dewatered or essentially completely dried precipitated calcium carbonate obtainable by the process and the use of the aqueous suspension comprising precipitated calcium carbonate and/or the partially dewatered or essentially completely dried precipitated calcium carbonate in paper making, paper coating, plastic, agricultural, adhesives, sealants and/or paint applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.