Patent · US Expired

Polyalky and poly(oxyalkylene) benzyl amine esters and fuel compositions containing the same

US5540743A · kind A · utility

8Cited by
31References
66Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 30, 1994
Grant dateJul 30, 1996
Priority date
Expiry dateDec 30, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10L1/305
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A fuel additive having the formula: ##STR1## wherein A.sub.1 is amino, lower alkylamino or dialkylamino, or a polyamine radical; R.sub.1 and R.sub.2 are independently hydrogen, hydroxy, lower alkyl or lower alkoxy; R.sub.3 and R.sub.4 are independently hydrogen or lower alkyl; x is an integer from 0 to 10; n is an integer from 0 to 100; and when n is 0 to 10, R.sub.5 is polyalkyl having an average molecular weight of 450 to 5,000; and when n is 5 to 100, R.sub.5 is hydrogen, alkyl, phenyl, aralkyl, alkaryl or an acyl group having the formula: ##STR2## wherein R.sub.6 is alkyl, phenyl, aralkyl or alkaryl.

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