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:
Oct. 03, 2017
Filed:
May. 21, 2013
Applicant:
Lafarge, Paris, FR;
Inventors:
Serge Sabio, Saint Quentin Fallavier, FR;
Serge Ghilardi, Saint Quentin Fallavier, FR;
Xiaolin Pardal, Saint Quentin Fallavier, FR;
Michel Testud, Saint Quentin Fallavier, FR;
Assignee:
LAFARGE, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 7/02 (2006.01); C04B 28/04 (2006.01); C04B 28/14 (2006.01); C04B 111/76 (2006.01);
U.S. Cl.
CPC ...
C04B 7/02 (2013.01); C04B 28/04 (2013.01); C04B 28/14 (2013.01); C04B 2111/766 (2013.01); Y02W 30/92 (2015.05); Y02W 30/94 (2015.05);
Abstract
A hydraulic binder includes a Portland clinker having a Blaine specific surface of 4000 to 5500 cm/g, from 2.5 to 8% of sulphate expressed by mass of SOrelative to the mass of clinker, from 1.5 to 10% of calcium nitrite and/or calcium nitrate expressed as anhydrous mass relative to the mass of clinker and from 15 to 50% of a mineral addition including calcium carbonate by mass relative to the total mass of binder.