Patent · US Expired

Selective absorption process of hydrogen sulphide and sulphur containing compounds from a gaseous mixture

US4144039A · kind A · utility

5Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 5, 1978
Grant dateMar 13, 1979
Priority date—
Expiry dateJan 5, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02C20/40
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

H.sub.2 S is removed from gas containing CO.sub.2 by a thioether, thioamide or alkyl thiocarbonate solvent.

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