Drag reducing compositions and methods of manufacture and use
US8669304B2 · kind B2 · utility
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14References
22Claims
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Key dates
| Filing date | Jun 9, 2009 |
| Grant date | Mar 11, 2014 |
| Priority date | — |
| Expiry date | Apr 4, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0391
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A drag reducing composition comprising a primary polyolefin obtained by polymerizing mono-olefins containing from about 2 to about 30 carbon atoms, and a surfactant having an HLB in the range of 6.5 to 8.5 in an aqueous suspending media.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.