Use of amines and/or Mannich adducts in fuel and lubricant compositions for direct injection spark ignition engines
US8449630B2 · kind B2 · utility
12Cited by
9References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2003 |
| Grant date | May 28, 2013 |
| Priority date | — |
| Expiry date | Sep 13, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/255
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to the use of amines and/or Mannich adducts as detergents and/or dispersants in fuel and lubricant compositions for direct-injection gasoline engines. The invention further relates to fuel and lubricant compositions which comprise at least one such Mannich adduct, and also a bisaminoalkylated Mannich adduct.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.