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:
Mar. 09, 2004
Filed:
Nov. 25, 2002
Applicant:
Inventors:
Lars Hultman, Viken, SE;
Nils Jonsson, Ängelholm, SE;
Britt Benemark, Viken, SE;
Peter Grahn, late of Höganäs, SE;
Assignee:
Höganäs AB, Höganäs, SE;
Primary Examiner:
Int. Cl.
CPC ...
B22F 1/00 ; C22C 1/05 ;
U.S. Cl.
CPC ...
B22F 1/00 ; C22C 1/05 ;
Abstract
The invention concerns a process permitting the preparation of a new powder, which as such or further processed is useful within a wide variety of different fields and which has magnetic and electric properties. The powder includes at least 0.5% by weight of iron containing silicate and at least 10% by weight of metallic iron and/or alloyed iron and is prepared by a process comprising the steps of mixing an iron containing powder and a silicon containing powder; and reducing the obtained mixture at a temperature above about 450° C.