Additive to decrease the pour point of paraffin inhibitors
US11084970B2 · kind B2 · utility
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3References
20Claims
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Key dates
| Filing date | Dec 4, 2017 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Dec 4, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B37/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Included are compositions, methods, and systems for producing and using winterized paraffin inhibitor solutions. An example composition comprises a paraffin inhibitor solution; and an additive comprising a first portion and a second portion; wherein the first portion is selected from the functional groups consisting of sulfo, phosphate, phosphonate, ester, carboxyl, hydroxyl, and any combination thereof; wherein the second portion is selected from the functional groups consisting of linear alkyl, branched alkyl, alkyl phenyl, ethoxylated branched alkyl, propoxylated branched alkyl, and any combination thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.