Patent · US Expired

Polythiaether compounds and their use as corrosion inhibitors

US6974553B2 · kind B2 · utility

0Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 2002
Grant dateDec 13, 2005
Priority date
Expiry dateDec 28, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23F11/06
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The corrosion of metals in contact with aqueous alkanolamine solutions in acid gas removal units is inhibited by adding to the alkanolamine solution a corrosion inhibiting amount of a polythiaether compound.

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