Series of water-insoluble polymeric quaternary phosphonium salt used for bactericides
US6261538A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Oct 28, 1998 |
| Grant date | Jul 17, 2001 |
| Priority date | — |
| Expiry date | Oct 28, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N57/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a series of the water-insoluble polymeric quaternary phosphonium salt-type bactericides, which consists of as active bactericidal components an amino quaternary phosphonium salt, a quaternary ammonium group-containing quaternary phosphonium salt, an amino quaternary phosphonium salt-quaternay ammonium salt, or a quaternary ammonium salt-containing quaternary phosphonium salt and quaternary ammonium salt carried on a resin carrier which can be chloromethylated. Said bactericide series has rapid and highly effective bactericidal activity, and can be used repeatedly, and used widely for sterilizing and disinfecting various fluid media such as different industrial and domestic water and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.