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:
Sep. 16, 2014
Filed:
Sep. 21, 2005
Alain Jacquet, Saint Didier de Formans, FR;
Emmanuel Villard, Saint-Chirsto-en-Jarez, FR;
Olivier Watt, Saint Jean de Soudain, FR;
Alain Jacquet, Saint Didier de Formans, FR;
Emmanuel Villard, Saint-Chirsto-en-Jarez, FR;
Olivier Watt, Saint Jean de Soudain, FR;
Lafarge, , FR;
Abstract
A method for inerting clays in sands which are intended for the preparation of hydraulic compositions, the method including a step of adding to the hydraulic composition, or to one of the constituents thereof, a composition which may include at least 50% by weight of a cationic polymer which has a density of cationic charges which is greater than 0.5 meq/g and an intrinsic viscosity which is less than 1 dl/g as an active substance. The hydraulic composition may be a concrete or a mortar.