Winterized pour point depressants
US11174446B2 · kind B2 · utility
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15Claims
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Assignee
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Key dates
| Filing date | Jun 25, 2018 |
| Grant date | Nov 16, 2021 |
| Priority date | — |
| Expiry date | Jul 29, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L2230/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This disclosure relates to winterized pour point depressant compositions for petroleum fluids. Such compositions exhibit stability and are flowable at temperatures down to as low as −47° C., without the need for further dilution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.