Patent · US Expired

Anti-oxidants in soluble oil base for metal working fluids

US7569526B2 · kind B2 · utility

3Cited by
19References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 12, 2004
Grant dateAug 4, 2009
Priority date
Expiry dateJun 24, 2025

Classification

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

Abstract

Disclosed herein is a method for reducing the oxidative and biological degradation of a metalworking fluid comprising adding thereto at least one antioxidant and at least one biocide.

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