Patent · US Active

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 dateDec 1, 2003
Grant dateMay 28, 2013
Priority date
Expiry dateSep 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.