Patent · US Expired

Desulphurization

US4946660A · kind A · utility

13Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 1989
Grant dateAug 7, 1990
Priority date
Expiry dateMar 1, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S502/517
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Low temperature desulphurization process using a bed of zinc oxide-containing absorbent in which the water content within the bed is temporarily increased, thereby increasing the sulphur absorption capacity of the absorbent.

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