Patent · US Expired

Functional fluids and concentrates containing associative polyether thickeners and certain metal dialkyldithiophosphates

US4588511A · kind A · utility

3Cited by
6References
42Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 1985
Grant dateMay 13, 1986
Priority date
Expiry dateJun 10, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2050/01
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to functional fluid concentrates and functional fluids which can be prepared by mixing the concentrates with water. The functional fluid concentrate comprises certain basic zinc salts as cloud point raising additives; a polyether nonionic surfactant; and an associative polyether thickener.

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