Patent · US Expired

Method for regenerating anthraquinone derivatives during a synthesis process of hydrogen peroxide 30 %

US6103917A · kind A · utility

1Cited by
3References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 27, 1999
Grant dateAug 15, 2000
Priority date
Expiry dateJul 27, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B15/023
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The invention concerns a method for regenerating a working solution for producing hydrogen peroxide 30%, in which the working solution is contacted with alumina at a temperature of approximately 40-160.degree. C.

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