Patent · US Expired

Process for improving lubricating base oil quality

US5554307A · kind A · utility

7Cited by
11References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 1995
Grant dateSep 10, 1996
Priority date
Expiry dateNov 15, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G67/06
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A process for improving the quality of lubricating base oils, which process comprises contacting a lubricating base oil with dry activated carbon.

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