Aqueous suspensions of calcium carbonate-comprising materials with low deposit built up
US9105372B2 · kind B2 · utility
3Cited by
4References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2012 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Nov 6, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2305/04
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The present invention concerns an anti-deposit additive and a deposit and/or corrosion reducing aqueous slurry containing a calcium carbonate containing material. In particular, the present invention is directed to the use of at least one anionically charged comb polymer as an anti-deposit agent in an aqueous slurry comprising a calcium carbonate containing material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.