Patent · US Expired

Corrosion and/or scale inhibition

US5294371A · kind A · utility

34Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 21, 1992
Grant dateMar 15, 1994
Priority date
Expiry dateOct 21, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23F14/02
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A corrosion- and/or scale inhibitor composition comprising: A) a corrosion- and/or scale inhibitor; and B) a compound having the formula (I): ##STR1## or a water-soluble salt thereof in which R.sub.1 is hydrogen or methyl, the weight ratio of component A) to component B), ranging from 10:90 to 90:10. The compounds of formula I are new compounds.

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