Patent · US Expired

Boiler additives for oxygen scavenging

US4269717A · kind A · utility

49Cited by
7References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 6, 1980
Grant dateMay 26, 1981
Priority date
Expiry dateOct 6, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23F11/148
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method of removing dissolved oxygen from boiler water which comprises adding to the water an oxygen scavenging amount of carbohydrazide.

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