Bimodal precipitated calcium carbonate slurries suitable for paper and board applications, methods for making the same and their uses
US11820667B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Feb 20, 2019 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Feb 20, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present application relates to aqueous slurries comprising precipitated calcium carbonates having a bimodal particle size distribution with a first maximum in particle size distribution and a second maximum in particle size distribution, as well as methods for making them and their uses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.