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:
Dec. 10, 2013
Filed:
Mar. 23, 2010
Arnaud Schwartzentruber, Genas, FR;
Myléne Martin, Luzinay, FR;
Philippe Benard, Lyons, FR;
Serge Sabio, Saint Just Chaleyssin, FR;
Arnaud Schwartzentruber, Genas, FR;
Myléne Martin, Luzinay, FR;
Philippe Benard, Lyons, FR;
Serge Sabio, Saint Just Chaleyssin, FR;
Lafarge, Paris, FR;
Abstract
A dry binder premix includes, in mass proportions: Portland clinker having a Blaine specific surface area comprised from 4500 to 9500 cm/g, the minimum quantity of the clinker by mass percentage relative to the total mass of the premix being determined according to: [−6.10×BSS]+75, in which BSSis the Blaine specific surface area of the clinker given in cm/g; fly ash; an alkali sulphate; one source of SO; complementary materials having a Dv90 less than or equal to 200 μm selected from limestone powders, calcined shale, metakaolins, siliceous fillers, silica powders, pozzolans, slags, fly ash and mixtures thereof. A quantity of clinker+the quantity of fly ash is greater than or equal to 75% by mass percentage relative to the total mass of the premix and a total quantity of clinker in the premix is less than 60% by mass percentage relative to the total mass of the premix.