Non-ionic surfactants plus fatty-acids as dewatering aids for alumina trihydrate
US5167831A · kind A · utility
11Cited by
6References
4Claims
0Family size
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Key dates
| Filing date | Jun 20, 1991 |
| Grant date | Dec 1, 1992 |
| Priority date | — |
| Expiry date | Jun 20, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01F7/148
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Tall oily fatty acids when combined with certain non-ionic surfactants having an HLB number from 10-14 are superior dewatering agents for Bayer Process alumina trihydrate filter cakes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.