Use of polyols as scale control reagents in the mining processes
US9284625B2 · kind B2 · utility
3Cited by
10References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2007 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | Sep 29, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A hyperbranched polyglycerol is employed as a process stabilization aid of pregnant liquor of a Bayer process of producing alumina from bauxite. The hyperbranched polyglycerol has a molecular weight of from about 1,000 to about 1,000,000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.