Biocidal water treatment
US4673509A · kind A · utility
35Cited by
13References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1984 |
| Grant date | Jun 16, 1987 |
| Priority date | — |
| Expiry date | Aug 27, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/023
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The growth of microbiological contaminants in industrial cooling and process waters and in aqueous based products, susceptible to microbiological spoilage on storage, is inhibited by the presence of a phosphorus compound having a hydroxy alkyl group directly attached to the phosphorus atom, such as tetrakis hydroxy methyl phosphonium sulphate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.