Use of polytetrahydrofuranes in lubricating oil compositions
US9938484B2 · kind B2 · utility
2Cited by
30References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 2014 |
| Grant date | Apr 10, 2018 |
| Priority date | — |
| Expiry date | Jul 15, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/70
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Lubricating oil compositions comprise one or more polytetrahydrofuranes that are prepared by alkoxylating polytetrahydrofurane with at least one C8-C30 epoxy alkane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.