Patent · US Expired

Lubrication fluids for reduced air entrainment and improved gear protection

US6251840A · kind A · utility

22Cited by
22References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 14, 1997
Grant dateJun 26, 2001
Priority date
Expiry dateJan 14, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/08
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A lubricating/functional fluid composition which exhibits in use improved antiwear and antifoaming properties. The improvements result from use of 2,5-dimercapto-1,3,4-thiadiazole and derivatives thereof together with silicone and/or fluorosilicone antifoam agents.

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