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:
Aug. 31, 1999
Filed:
Nov. 21, 1997
Applicant:
Inventors:
Georg Frommeyer, Erkrath, DE;
Michael Kulse, Oberhausen, DE;
Gerhardus Mulder, Essen, DE;
Michael Steinhorst, Essen, DE;
Assignee:
Elektro-Thermit GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
148 24 ; 148 26 ; 75303 ; 75315 ;
Abstract
The invention relates to an aluminothermic mixture consisting of a finely particulate base portion of iron oxides and aluminum as well as metallic additives, wherein a master alloy, namely a ferrochromium alloy consisting of (in % by weight)