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:
Jul. 03, 2018
Filed:
Jun. 18, 2015
Lafarge, Paris, FR;
Laurent Ferreira, Saint Quentin Fallavier, FR;
Olivier Halin, Saint Quentin Fallavier, FR;
Fabien Perez, Saint Quentin Fallavier, FR;
Julien Verne, Saint Quentin Fallavier, FR;
LAFARGE, Paris, FR;
Abstract
A hydraulic composition includes in relative parts by mass with respect to the cement 100 parts of cement the particles of which have a BET specific surface area comprised from 1.20 to 5 m/g; 32 to 42 parts of water; 5 to 50 parts of a mineral addition A1 the particles of which have a D50 less than or equal to 6 μm and selected from silica fume, metakaolin, slag, pozzolans or mixtures thereof; 90 to 230 parts of sand the particles of which have a D50 greater than or equal to 50 μm and a D90 less than or equal to 3 mm; 0.0001 to 10 parts of a superplasticizer, the active material concentration of which is 15% by mass.