Patent · US Expired

Fuel or lubricant compositions containing secondary polyisobutene amines

US6099602A · kind A · utility

1Cited by
7References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 2, 1998
Grant dateAug 8, 2000
Priority date
Expiry dateJun 2, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10M2215/26
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A fuel or lubricant composition containing polyisobutene amines and which contains at least one secondary polyisobutene amine of the formula I, ##STR1## in which R denotes a polyisobutene radical containing from 6 to 45 isobutylene units, up to 20% of the isobutylene units being replaceable by n-butylene units, provided that the amount of the secondary polyisobutene amine is larger than the amount of any corresponding primary or tertiary polyisobutene amine which may also be present.

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