Patent · US Expired

Semi-fluid lubricant for extreme climates

US4857215A · kind A · utility

3Cited by
19References
31Claims
0Family size

Inventor

Key dates

Filing dateJul 24, 1987
Grant dateAug 15, 1989
Priority date
Expiry dateJul 24, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/50
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An extreme climate, semi-fluid lubricant comprising a homogeneous mixture of tri-(2-ethylhexyl) phosphate, about 30 percent to about 44 percent by weight, and the balance a grease comprising perfluorocarbon polymer is powder form suitable for use as a lubricant in combination with base oil and lubricant additives.

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