Hydrotalcite composition
US5179063A · kind A · utility
13Cited by
9References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1992 |
| Grant date | Jan 12, 1993 |
| Priority date | — |
| Expiry date | Feb 13, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A composition (being effective for removing chloride ions from liquids) comprises at least one hydrotalcite and 3-6 weight percent of at least one sodium polyphosphate. Preferably, this composition is prepared by a process comprising the step of calcining a mixture of at least one hydrotalcite and 3-6 weight percent of at least one sodium polyphosphate for about 10-20 hours at a temperature of about 370.degree.-480.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.