Biocidal compositions and treatments
US6784168B1 · kind B1 · utility
24Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2000 |
| Grant date | Aug 31, 2004 |
| Priority date | — |
| Expiry date | Sep 5, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/023
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A synergistic biocide comprises a tris(hydroxymethyl)phosphine or a tetrakis (hydroxymethyl)phosphonium salt and at least one non-surfactant biopenetrant, such as a polymer or copolymer having a plurality of quaternary ammonium groups, a hydrotrope or a syntan, together optionally with a surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.