Aqueous foamable concentrates and methods
US7381696B2 · kind B2 · utility
25Cited by
27References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2002 |
| Grant date | Jun 3, 2008 |
| Priority date | — |
| Expiry date | Nov 7, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62D2101/49
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Novel aqueous foamable concentrates are disclosed. When mixed with a non-neutral pH aqueous liquid and foamed, the resulting foam is suitable for blanketing and neutralizing non-neutral pH hazardous material spills.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.