Acid activated montmorillonite based filtration aid
US7582320B2 · kind B2 · utility
0Cited by
11References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2002 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Aug 30, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11B3/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed are bleaching materials for processing oils, particularly edible oils, containing an acid activated clay having a specifically defined particle size distribution. Also disclosed are methods of making the bleaching materials, and systems and methods for purifying oils using the acid activated clay having the specifically defined particle size distribution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.