Magnesium aluminate anion exchangers
US4326961A · kind A · utility
9Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 1980 |
| Grant date | Apr 27, 1982 |
| Priority date | — |
| Expiry date | Sep 4, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2002/22
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Preparations and uses are shown for novel crystalline aluminates which conform generally to the empirical formula EQU MgA.sub.a.sup.V Z.sub.b.sup.v .multidot.nAl(OH).sub.3 .multidot.mH.sub.2 O where PA1 A and Z represent negative-valence ions or radicals selected from the group comprising hydroxyl, halide, inorganic acid, and organic acid, PA1 n is a value of from about 1 to about 2, PA1 v is a negative valence of 1, 2, or 3, PA1 a and b each have values of from zero to 2, with (va)+(vb) equal to 2, and with m being a value of zero or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.