Process for the preparation of flocculated filler particles
US11326307B2 · kind B2 · utility
0Cited by
9References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2015 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | Nov 3, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/22
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention concerns a process for the preparation of flocculated filler particles, wherein at least two aqueous suspensions of at least one filler material and at least one flocculating additive are combined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.