Neutralizing superabsorbent polymer composition
US7670989B2 · kind B2 · utility
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6References
26Claims
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Key dates
| Filing date | Mar 17, 2006 |
| Grant date | Mar 2, 2010 |
| Priority date | — |
| Expiry date | Nov 26, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L15/60
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent and process for the neutralization and absorption of acidic and alkaline liquid spills comprising a mixture of superabsorbent polymer, a styrene-butadiene-styrene block copolymer, sodium bicarbonate, and optionally a chlorine neutralizer. The absorbent preferably also contains a chlorine neutralizer for the neutralization of any chlorine vapors and a pH indicator to indicate that the spill has been neutralized and is safe for handling and disposal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.