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:
Sep. 27, 1983
Filed:
Apr. 30, 1982
Applicant:
Inventors:
Assignee:
Koppers Company, Inc., Pittsburgh, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ; C01B / ;
U.S. Cl.
CPC ...
423644 ; 420416 ; 420434 ; 420422 ; 420900 ;
Abstract
A ternary alloy comprised of zirconium, manganese and a third element selected from cerium, praseodymium and neodymium is characterized in having AB.sub.2 hexagonal crystal structure and stoichiometry. Members of a preferred class of compounds, represented by the empirical formula Zr.sub.x-1 M.sub.x Mn.sub.2 wherein 'x' has a value between zero and about 0.3 and M is one of the selected metals, are particularly suitable for use as hydrogen storage materials.