Use of sulfamic acid to inhibit phosphonate decomposition by chlorine-bromine mixtures
US4759852A · kind A · utility
65Cited by
8References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 15, 1987 |
| Grant date | Jul 26, 1988 |
| Priority date | — |
| Expiry date | Oct 15, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F5/14
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The decomposition of phosphonates by chlorine-bromine solutions present in industrial process waters can be diminished or prevented by treating such waters with sulfamic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.