Patent · US Active

Process for recovering ruthenium from used ruthenium oxide-comprising catalysts

US8252253B2 · kind B2 · utility

1Cited by

1References

20Claims

0Family size

Assignee

BASF SE

Inventors

Guido Henze · Tokyo, JP
Heiko Urtel · Bischofswerda, DE
Martin Sesing · Waldsee, DE
Martin Karches · Neustadt, DE

Key dates

Filing date	Dec 28, 2009
Grant date	Aug 28, 2012
Priority date	—
Expiry date	Dec 28, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/20
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The invention relates to a process for recovering ruthenium from a used ruthenium-comprising catalyst which comprises ruthenium as ruthenium oxide on a support material which is not readily soluble in mineral acid, which comprises the steps:

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