Patent · US Active

Preparation of iron oxides

US7939463B1 · kind B1 · utility

2Cited by

26References

30Claims

0Family size

Assignee

Sud Chemie, Inc. · US

Inventors

Robert O'Brien · Louisville, US
Samantha Sargent · Borden, US
Guido Petrini · Trecate, IT
Esterino Conca · Novara, IT

Key dates

Filing date	Jan 29, 2007
Grant date	May 10, 2011
Priority date	—
Expiry date	Jan 31, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2006/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for producing a high surface area iron material, comprising predominantly low crystalline iron oxides, starting with a low surface area iron metal is disclosed. The iron material of the present invention has a surface area of at least about 200 m2/g, and is prepared via a method which comprises reacting a low surface area iron metal with oxygen and an organic acid. The high surface area iron material formed via this method is essentially free of contaminants.

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