Synergistic antimicrobial compositions containing poly (hexamethylammonium) chloride
US5629263A · kind A · utility
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Key dates
| Filing date | Apr 15, 1996 |
| Grant date | May 13, 1997 |
| Priority date | — |
| Expiry date | Apr 15, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/42
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Methods for inhibiting microbial growth in aqueous systems by the use of synergistic mixtures comprising poly(hexamethylammonium) chloride and at least one compound selected from the group consisting of poly (iminoimidocarbonyliminoimidocarbonyliminohexamethylene hydrochloride ("PHMB") , dodecylguanidine hydrochloride ("DGH") and poly[oxyethylene (dimethylimino) ethylene-(dimethylimino) ethylene dichloride] ("PDED"). Antimicrobial compositions comprising the synergistic mixture and a carrier are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.