Pour point depressant additives for oil compositions
US7942941B2 · kind B2 · utility
13Cited by
12References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2005 |
| Grant date | May 17, 2011 |
| Priority date | — |
| Expiry date | Mar 20, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention generally relates to oil compositions, primarily to fuel oil and petroleum compositions produced there from susceptible to wax formation at low temperatures, to polymeric amides for use with such fuel oil compositions, and to methods for their manufacture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.