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:
Aug. 21, 2012
Filed:
Sep. 24, 2008
Arnaud Schwartzentruber, Genas, FR;
Emmanuel Garcia, Saint-Didier de la Tour, FR;
Arnaud Schwartzentruber, Genas, FR;
Emmanuel Garcia, Saint-Didier de la Tour, FR;
Lafarge, Paris, FR;
Abstract
A process for the preparation of a wet concrete composition, including mixing Portland clinker in the form of grains having a Dv97 from 10 to 30 μm or having a Blaine specific surface greater than or equal to 5300 cm/g; slag; calcium sulphate; complementary materials, having a Dv90 less than or equal to 200 μm; from 1500 to 2200 kg/mof aggregates; a plasticizer; optionally an accelerator and/or an air-entraining agent and/or a thickening agent and/or a retarder and/or a clay-inerting agent; with 140 to 220 l/mof effective water, the total quantity of clinker in the wet concrete being less than or equal to 200 kg/m.