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. 16, 2011
Filed:
Mar. 24, 2009
Applicants:
Ellis Gartner, Lyons, FR;
Vincent Morin, Lyons, FR;
Inventors:
Ellis Gartner, Lyons, FR;
Vincent Morin, Lyons, FR;
Assignee:
LAFARGE, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 22/08 (2006.01); C04B 24/12 (2006.01); C04B 28/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A belite-calcium sulphoaluminate-ferrite (BCSAF) cement composition including: a BCSAF clinker which clinker has the following mineralogical composition, based on the total weight of the clinker: 5 to 25%, preferably 10 to 20%, of a calcium aluminoferrite phase having the general formula CAF, wherein X is from 0.2 to 0.8; 15 to 35% of a calcium sulphoaluminate phase; 40 to 75% of belite (CS); from 0.01 to 10% in total of one or more minor phases selected from calcium sulphates, alkali metal sulphates, perovskite, calcium aluminates, gehlenite, free lime and periclase and/or a vitreous phase; and an alkanolamine.