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. 04, 2004
Filed:
Nov. 13, 2001
Jean-Pierre Falaschi, Le Teil, FR;
Hervé Fryda, Villeurbanne, FR;
Jean-Pierre Letourneux, Villefontaine, FR;
Christopher Parr, Chatou, FR;
Bruno Touzo, Voiron, FR;
Michel Vialle, Crachier, FR;
Lafarge Aluminates, Paris Cedex 16, FR;
Abstract
A clinker-type hydraulic binder obtained by burning comprising a magnesia spinel mineralogical phase and at least a calcium aluminate mineralogical phase, with a lime content less than 15% of the binder by dry weight. The magnesia spinel represents between 68% and 81% by dry weight of the binder and preferably the calcium aluminates consist essentially of CA and CA , with C═CaO and A═Al O . The invention also concerns the use of such a binder for making a refractory concrete and a method for making such a binder. The invention is useful for making steel ladles ( ), preferably for their wear lining.