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:
Nov. 06, 2012
Filed:
Apr. 01, 2010
Stéphane Brocas, Montpellier, FR;
Mohsen Ech, Lyons, FR;
Nicolas Richard, Crémieu, FR;
Emmanuel Villard, Saint-Christo-en-Jarez, FR;
Hassan Baaj, Lyons, FR;
Philippe Toubeau, Ruy, FR;
Stéphane Brocas, Montpellier, FR;
Mohsen Ech, Lyons, FR;
Nicolas Richard, Crémieu, FR;
Emmanuel Villard, Saint-Christo-en-Jarez, FR;
Hassan Baaj, Lyons, FR;
Philippe Toubeau, Ruy, FR;
Lafarge, Paris, FR;
Abstract
A process for the production of a bituminous composition, includes (i) producing a mix of aggregates with a maximum diameter less than or equal to 30 mm and of an amount less than or equal to 0.8 g per square meter of specific surface developed by the aggregates of at least one cationic polymer in the liquid form having a density of cationic charges greater than or equal to 0.5 meq/g and an intrinsic viscosity of from 0.01 to 0.8 dl/g; and (ii) putting the mix obtained in stage (i) into contact with at least one bituminous binder. A bituminous composition includes at least one specific cationic polymer and the use of at least one specific cationic polymer in the surface treatment of aggregates intended for the preparation of a bituminous composition are the other two subject-matters of the present invention.