The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 30, 2007
Filed:
Oct. 25, 2002
Stein Julsrud, Skien, NO;
Bent Erlend Vigeland, Skien, NO;
Stein Julsrud, Skien, NO;
Bent Erlend Vigeland, Skien, NO;
Norsk Hydro ASA, Oslo, NO;
Abstract
The present invention relates to a solid multicomponent mixed proton and electron conducting membrane for use in a reactor, where the membrane comprises a mixed metal oxide having a structure represented by the formula: AA'(BB′)O, wherein A is a lanthanide element or mixtures thereof, A′ is an alkaline earth element or mixtures thereof, B is chromium, manganese, or iron, B′ is titanium, aluminum, zirconium, or hafnium, and x, y, w, and d each represent a number such that 0≦x≦1, 0≦y≦1, 0.9<w<1.1, and d equals a number that renders the compound charge neutral and is not less than zero and not greater than about 0.6.