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:
Apr. 18, 2006
Filed:
Jun. 19, 2001
Applicants:
Laurent Gaudry, I'lsle d'Abeau, FR;
Christian Marez, Bourgoin Jallieu, FR;
Inventors:
Laurent Gaudry, I'lsle d'Abeau, FR;
Christian Marez, Bourgoin Jallieu, FR;
Assignee:
Lafarge Aluminates, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 28/04 (2006.01); C04B 24/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A binder for self-compacting concrete includes, in dry weight of the-binder, 70 to 90% of Portland cement, 4 to 16% of calcium aluminate, 4 to 14% of calcium sulphate, an accelerator and a retarder, 0 to 2% of Ca(OH)2 and at least an additive with a water reducer. The calcium sulphate is in the form of anhydrite and the water reducer has at least a superplasticizer consisting of a water soluble or water dispersible organic compound, having at least an amino-di(alkylene-phosphonic) group and at least a polyoxyalkylated chain or at least one of its salts.