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:
Nov. 03, 2020
Filed:
Jan. 08, 2016
Applicant:
S.a. Lhoist Recherche ET Developpement, Ottignier-Louvain-la-Neuve, BE;
Inventors:
Michael Nispel, Uccle, BE;
Guillaume Criniere, Braine-l'Alleud, BE;
Eric Perrin, Paris, FR;
Thierry Chopin, Brussels, BE;
Jose Noldin, Waterloo, BE;
Assignee:
S.A. Lhoist Recherche et Developpement, Ottignies-Louvain-la-, BE;
Primary Examiner:
Int. Cl.
CPC ...
C21C 1/02 (2006.01); C21C 7/064 (2006.01);
U.S. Cl.
CPC ...
C21C 1/025 (2013.01); C21C 1/02 (2013.01); C21C 7/064 (2013.01); C21C 7/0645 (2013.01);
Abstract
Process for dephosphorization of molten metal during a refining process using a lime composition in the form of compacted particles having a Shatter Test Index of less than 20%, leading to a refined metal reduced in phosphorus components to the extent that the refined metal reduced in phosphorus is showing a phosphorus content lower than 0.02 w % based on the total weight of the refined metal reduced in phosphorus.