Composition for treatment of lead containing surface coatings and soil
US6048828A · kind A · utility
0Cited by
13References
4Claims
0Family size
Inventors
Key dates
| Filing date | Dec 24, 1997 |
| Grant date | Apr 11, 2000 |
| Priority date | — |
| Expiry date | Dec 24, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62D2101/43
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A composition is provided which has been formulated to render non-hazardous surfaces which are coated with lead-based paints or surface soil which is contaminated with lead compounds. The composition is an aqueous mixture comprising hydrogen peroxide, ammonium hydroxide, nitric acid and acetic acid. The composition is effective on surfaces which may be comprised of wood, metal, concrete, wallboard or plaster without destroying the integrity of these surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.