Patent · US Expired

Polybutyl-and polyisobutylamines, their preparation, and fuel compositions containing these

US4832702A · kind A · utility

135Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 1987
Grant dateMay 23, 1989
Priority date
Expiry dateMar 25, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10M2217/06
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The fuel or lubricant composition proposed contains one or more polybutyl or polyisobutylamines of the general formula I ##STR1## where R.sub.1 is a polybutyl- or polyisobutyl radical derived from isobutene and up to 20% by weight of n-butene and R.sub.2 and R.sub.3 are identical or different and are each hydrogen, an aliphatic or aromatic hydrocarbon, a primary or secondary, aromatic or aliphatic aminoalkylene radical or polyaminoalkylene radical, a polyoxyalkylene radical or a hetaryl or heterocyclyl radical, or, together with the nitrogen atom to which they are bonded, form a ring in which further hetero atoms may be present.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.