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. 06, 1984
Filed:
Aug. 03, 1982
Applicant:
Inventors:
Dennis Greensmith, Tamworth, GB;
Roderic H Hammerton, Bednall, GB;
Colin J Wall, Birmingham, GB;
Dietger Dunkelmann, Bocholt, DE;
Helmut Jaunich, Raesfeld, DE;
Josef Schiffarth, Bocholt-Barlo, DE;
Assignee:
Foseco Trading A.G., Chur, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
501 90 ; 501 96 ; 501 99 ;
Abstract
Matter for protecting graphite electrodes of electric arc furnaces, e.g. for steelmaking, to reduce loss of graphite by oxidation, comprises particles containing both a graphite-wetting fusible matrix material and a refractory filler. Methods of making and using the particulate matter are disclosed.