Patent · US Expired

Water-soluble lubricant composition

US5322631A · kind A · utility

7Cited by
11References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 1993
Grant dateJun 21, 1994
Priority date
Expiry dateOct 29, 2013

Classification

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

Abstract

This invention relates to a water-soluble lubricant composition for a sleeve surface lubricating oil, an operating fluid, a cutting oil, a rolling oil, a drawing oil, a press oil or the like, which does not pollute the environment and has superior lubricity, metal corrosion preventing property, antifoaming property and antiseptic property. The water-soluble lubricant composition of this invention containing surfactants (a) and one or two salts (b) selected from among carboxylates and sulfonates is characterized in that the above one or two salts (b) selected from among carboxylates and sulfonates are alkaline earth metal salts or zinc salts and that substantially no nitrogen ingredients are contained and the amount of nitrogen contained represents its amount in impurities, or 0.5 wt % or below of nitrogen.

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