Patent · US Expired

Cylic oligomer traction fluid

US7045488B2 · kind B2 · utility

6Cited by
17References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 2002
Grant dateMay 16, 2006
Priority date
Expiry dateJul 8, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2060/14
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Cyclic oligomers derivable from the copolymerization of isobutylene and isoprene can be hydrogenated to form 1-(2,2,4-trimethylpentyl)-2-isopropyl-3,3,5,5-tetramethylcyclohexane and related compounds, which are useful in lubricants such as a traction fluids.

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