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:
Jul. 02, 1991
Filed:
Mar. 20, 1990
Applicant:
Inventors:
Jai Young Lee, Seoul, KR;
Jong Man Park, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C10B / ;
U.S. Cl.
CPC ...
420422 ; 420900 ; 423644 ;
Abstract
Quarternary alloys of the formula: Zr.sub.1-x Ti.sub.x Cr.sub.1-y Fe.sub.1+y are provided, which are characterized as having C14 hexagonal Laves phase wherein 'x' has a value between 0.05 and 0.1 and 'y' has a value of 0 to 0.4. These alloys, have P-C-T relations with low hysteresis and flat plateaux, are suitable for various applications such as hydrogen storage and hydride heat pump system.