Patent · US Expired

Fuel and lubricant additives

US6165237A · kind A · utility

0Cited by
4References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1998
Grant dateDec 26, 2000
Priority date
Expiry dateAug 17, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2070/02
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Compounds of the general formula I EQU Z--CH.sub.2 --NY.sub.2-n H.sub.n (I) where PA1 n is 0 or 1, PA1 z is a straight-chain or branched polyalkyl radical having a number average molecular weight of from about 150 to 40,000, and PA1 Y is a radical of the formula IIa or IIb ##STR1## where the radicals R, R.sup.1 and R.sup.2 independently of one another, are each hydrogen, an unsubstituted or substituted alkyl, alkenyl or alkynyl radical or an unsubstituted or substituted cycloalkyl, aryl or arylalkyl radical, which may carry one or more heteroatoms, and PA1 A is an alkyleneimine radical; or, if PA1 n is 0, one of the radicals Y may be a polyoxyalkylene radical, and processes for their preparation and fuel and lubricant compositions, and mixtures of additives, which contain the novel compounds.

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