Fatty amine ethoxylate in polyalkylene glycol based engine oils
US10655078B2 · kind B2 · utility
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Key dates
| Filing date | Oct 8, 2015 |
| Grant date | May 19, 2020 |
| Priority date | — |
| Expiry date | Oct 9, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/25
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition contains a polyalkylene glycol and a fatty amine ethoxylate, the fatty amine ethoxylate having non-cyclic structure of structure (I). Where R is a linear, non-cyclic carbon-containing group with that is free of nitrogen, x and y are selected from a group consisting of zero and positive values provided that the sum of x and y are in a range of 8-20.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.