Patent · US Expired

Aqueous metal-working composition and process

US4659490A · kind A · utility

8Cited by
8References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 24, 1985
Grant dateApr 21, 1987
Priority date
Expiry dateOct 24, 2005

Classification

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

Abstract

Novel metal-working process and aqueous metal-working fluids are provided. The aqueous metal-working fluids contain at least one N,N'-dilactam disulfide as an extreme pressure (EP) additive.

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