Foam composition for treating asbestos-containing materials and method of using same
US5743841A · kind A · utility
7Cited by
55References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1996 |
| Grant date | Apr 28, 1998 |
| Priority date | — |
| Expiry date | Sep 27, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S588/901
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an acid component, at least about 0.1% by weight of a source of fluoride ions, and a stable foam forming amount of a foaming agent system having both cationic and non-ionic functionality. A method of transforming the asbestos-containing material into a non-asbestos material using the present composition in the form of a foam also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.