Blend of surface modified calcium carbonate comprising particles (MCC) and precipitated calcium carbonate comprising particles (PCC) and its uses
US11292915B2 · kind B2 · utility
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4References
14Claims
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Key dates
| Filing date | Apr 4, 2016 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | May 14, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2003/265
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for producing an aqueous slurry comprising a blend of surface modified calcium carbonate comprising particles (MCC) and precipitated calcium carbonate comprising particles (PCC), an aqueous slurry comprising the blend, as well as the blend obtainable by drying the aqueous slurry and their uses in paper, paper coating, tissue paper, digital photo paper, paints, coatings, adhesives, plastics, waste water treating or waste water treating agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.