Scaling salt threshold inhibition and dispersion with hydrophilic/hydrophobic polymers
US5035806A · kind A · utility
38Cited by
15References
8Claims
0Family size
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Key dates
| Filing date | Sep 28, 1990 |
| Grant date | Jul 30, 1991 |
| Priority date | — |
| Expiry date | Sep 28, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F14/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The accumulation of scaling salt deposits in industrial water systems is reduced by adding to the water thereof at least an effective amount of a water soluble polymer comprised of units having pendant carboxylate groups, N-substituted sulfoalkyl amide groups, and N-substituted alkyl amide groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.