Treatment of aqueous systems
US4159946A · kind A · utility
18Cited by
3References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 24, 1978 |
| Grant date | Jul 3, 1979 |
| Priority date | — |
| Expiry date | Jan 24, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F5/14
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method of inhibiting the precipitation of scale-forming salts of calcium, magnesium, barium and strontium from aqueous systems which involves adding to the aqueous system a telomeric compound of the formula: ##STR1## and the salt forming derivatives thereof, wherein: R.sup.11 is H, CH.sub.3, C.sub.2 H.sub.5 ; R.sup.1 is --OX wherein X is alkyl of 1-4 carbon atoms or hydrogen; R is hydrogen, alkyl of 1-18 carbon atoms, cycloalkyl of 5-12 carbon atoms, phenyl or benzyl, and n is a positive integer of at most 100.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.