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:
Mar. 31, 2015
Filed:
Aug. 17, 2011
Serge Sabio, Saint Just Chaleyssin, FR;
David Rinaldi, Saint Jean de Gonville, FR;
Jean-michel Laye, Chennai, IN;
Isabelle Sgro, Villefontaine, FR;
Horacio Naranjo, Jardin, FR;
Bruno Pellerin, Avon, FR;
Pascal Boustingorry, Breuillet, FR;
Serge Sabio, Saint Just Chaleyssin, FR;
David Rinaldi, Saint Jean de Gonville, FR;
Jean-Michel Laye, Chennai, IN;
Isabelle Sgro, Villefontaine, FR;
Horacio Naranjo, Jardin, FR;
Bruno Pellerin, Avon, FR;
Pascal Boustingorry, Breuillet, FR;
LAFARGE, Paris, FR;
Abstract
A fast hydraulic binder comprising cement, at least one first superplasticizer, a calcium salt, and at least one second superplasticizer different from the first superplasticizer and comprising a main chain and pendant groups connected to the main chain adapted so as to separate from the main chain in a basic medium, wherein the result is that the second plasticizer has a fluidifying action which increases at least temporarily over time in a basic medium.