Patent · US Expired

.beta.-aminonitriles and N-alkyl-1,3-propylenediamines and their use as fuel additives and lubricant additives

US5492641A · kind A · utility

14Cited by
10References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 21, 1994
Grant dateFeb 20, 1996
Priority date
Expiry dateNov 21, 2014

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02F7/006
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

.beta.-Aminonitriles of the following formula I ##STR1## where R.sup.1 is an aliphatic hydrocarbon radical having alkyl side groups and a number average molecular weight of from 250 to 5,000 and R.sup.2, R.sup.3 and R.sup.4, independently of one another, are each hydrogen or C.sub.1 -C.sub.8 -alkyl and R.sup.2 or R.sup.4 is also phenyl, and alkylpropylenediamines prepared from the .beta.-aminonitriles by hydrogenation are used as additives in fuels and lubricants.

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