Stable strongly acidic aqueous compositions containing persulfate salts
US6028045A · kind A · utility
4Cited by
6References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1996 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | Sep 16, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3947
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Stable, aqueous compositions having a pH of from 0 to 0.9 are disclosed, which comprise a persulfate salt, or mixtures of such salts, and a free radical scavenger, or mixtures thereof. Preferred compositions are emulsions of nonionic surfactants comprising the persulfate salt and a free radical scavenger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.