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:
May. 05, 1987
Filed:
Jun. 19, 1985
Applicant:
Inventors:
Robert Fruchart, La Tronche, FR;
Roland Madar, Eybens, FR;
Alain Rouault, Eybens, FR;
Philippe L'Heritier, Eybens, FR;
Pierre Taunier, Grenoble, FR;
Daniel Boursier, Meylan, FR;
Daniel Fruchart, Echirolles, FR;
Patrick Chaudouet, Grenoble, FR;
Assignee:
Centre National de la Recherche Scientifique, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
252 6251 ; 252 6255 ; 252 6257 ; 252 6258 ; 252 6259 ; 148302 ; 423276 ; 420900 ; 420302 ; 420 83 ;
Abstract
New magnetic hydride Nd.sub.2 Fe.sub.14 BH.sub.x (0<x<5) and family corresponding to other rare earths and yttrium. Possible substitution of Fe by Co. Preparation from Nd.sub.2 Fe.sub.14 B by hydrogenation (ambient temperature; pH.sub.2 >20 bar), which can be reversed to give powdered Nd.sub.2 Fe.sub.14 B. Remarkable magnetic properties.