Patent · US Expired

Process for the regeneration of an aqueous process liquid of the amine-oxide process

US5847129A · kind A · utility

1Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 1997
Grant dateDec 8, 1998
Priority date
Expiry dateApr 17, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/62
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention is concerned with a process for the destruction of N-nitrosomorpholine in an aqueous solution containing N-nitrosomorpholine and a peroxidic oxidant, characterized in that said aqueous solution is exposed to ultraviolet radiation having a wavelength of substantially 254 nm.

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