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. 19, 2015
Filed:
Jan. 26, 2012
Arnaud Schwartzentruber, Genas, FR;
Mylène Martin, Luzinay, FR;
Fabrice Pourcel, Saint-just-Chaleyssin, FR;
Arnaud Schwartzentruber, Genas, FR;
Mylène Martin, Luzinay, FR;
Fabrice Pourcel, Saint-just-Chaleyssin, FR;
LAFARGE, Paris, FR;
Abstract
A hydraulic binder includes, in parts by mass: (a) from 20 to 60 parts of Portland clinker; (b) from 20 to 40 parts of slag; and (c) from 0 to 60 parts of inorganic material other than the clinker and the slag; the sum of (a), (b) and (c) being equal to 100 parts; which binder further includes a slag activator including, relative to 100 parts of the sum of (a) and (b): from 1.4 to 6.55 parts of alkali metal salt, expressed as equivalent-NaO; and from 1.1 to 11.0 parts of calcium sulfate, expressed as SO.