Patent · US Expired

Method for purifying and concentrating dinitrogen monoxide

US7692045B2 · kind B2 · utility

2Cited by

23References

22Claims

0Family size

Assignee

BASF SE

Inventors

Joaquim Henrique Teles · Waldsee, DE
Beatrice Roessler · Bad Dürkheim, DE
Thomas Genger · Ludwigshafen, DE
Andreas Glass · Lambsheim, DE
Dieter Baumann · Greven, DE
Jan-Martin Loening · Freinsheim, DE

Key dates

Filing date	Sep 22, 2005
Grant date	Apr 6, 2010
Priority date	—
Expiry date	Apr 11, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/582
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention relates to a process for purifying a gas mixture comprising dinitrogen monoxide and to the use of a gas mixture purified in this way as an oxidant for olefins. In a further embodiment, the present invention also relates to a process for preparing ketones comprising the oxidation of an olefin with a gas mixture which has been purified in accordance with the invention and comprises dinitrogen monoxide.

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