Patent · US Expired

Preparation of hydroxylamines from ammonia or the corresponding amines, hydrogen and oxygen

US5777163A · kind A · utility

6Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 4, 1997
Grant dateJul 7, 1998
Priority date
Expiry dateApr 4, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B21/1409
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Hydroxylamines are prepared from ammonia or the corresponding amines, hydrogen and oxygen by a process in which the starting materials are reacted under heterogeneous catalysis using an oxidation catalyst based on a titanium or vanadium silicalite having a zeolite structure and containing from 0.01 to 20% by weight of one or more platinum metals selected from the group consisting of ruthenium, rhodium, palladium, osmium, iridium and platinum, the platinum metals each being present in at least two different bond energy states.

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