Scale inhibitor compositions and methods of using
US11046794B2 · kind B2 · utility
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4References
13Claims
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Key dates
| Filing date | Dec 15, 2015 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | May 20, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L37/00
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Silicon containing polyamine scale inhibitors derived from poly(primary amine)s are disclosed. The scale inhibitors can be used to reduce siliceous scale formation in industrial process streams such as alumina recovery process streams, nuclear waste streams and kraft paper mill effluent streams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.