Patent · US Expired

Method of processing technical gases

US4145192A · kind A · utility

8Cited by
4References
6Claims
0Family size

Inventors

Key dates

Filing dateFeb 23, 1977
Grant dateMar 20, 1979
Priority date
Expiry dateFeb 23, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C7/11
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method of processing technical gases such as natural or synthetic gases containing water vapor, acidic and neutral sulfur compounds and/or higher hydrocarbons which comprises treating said gas with an anhydrous solvent containing N-methyl-.epsilon.-caprolactam, an alkanolamine and a glycol to simultaneously remove said sulfur compounds, hydrocarbons and water vapor.

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