Patent · US Expired

Process for the preparation of nitrosobenzenes

US6274775A · kind A · utility

0Cited by

0References

3Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Henry Giera · Wittlich, DE
Michaela Meiers · Speyer, DE
Uwe Hugger · Rellingen, DE

Key dates

Filing date	Nov 6, 2000
Grant date	Aug 14, 2001
Priority date	—
Expiry date	Nov 6, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C201/00
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a process for the preparation of nitrosobenzene from aromatic amines by oxidation with hydrogen peroxide in the presence of a catalyst based on compounds of tungsten and/or molybdenum without the addition of the organic solvents conventionally used.

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