Patent · US Expired

Oleaginous compositions

US5667539A · kind A · utility

7Cited by
17References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 7, 1996
Grant dateSep 16, 1997
Priority date
Expiry dateAug 7, 2016

Classification

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

Abstract

Compounds of the formula I below are useful as additives in oleaginous compositions: ##STR1## wherein B represents an aromatic system, A represents a hydrocarbyl group, R.sup.1 and R.sup.2 are the same or are different and each independently is an aliphatic hydrocarbyl group containing 10-40 carbon atoms, provided that one of R.sup.1 and R.sup.2 may represent hydrogen; z is at least 1 and wherein the aromatic system carries at least one substituent group which is an activating group for the ring system or a derivative of an activating group.

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