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:
Apr. 18, 2017
Filed:
Oct. 12, 2010
Applicants:
Lê-chiên Hoang, Ruy-Montceau, FR;
Serge Ghilardi, Mery, FR;
Inventors:
Lê-Chiên Hoang, Ruy-Montceau, FR;
Serge Ghilardi, Mery, FR;
Assignee:
LAFARGE, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 16/04 (2006.01); C04B 16/08 (2006.01); C04B 20/02 (2006.01); C04B 24/26 (2006.01); C04B 24/38 (2006.01); C04B 28/02 (2006.01);
U.S. Cl.
CPC ...
C04B 20/023 (2013.01); C04B 24/2652 (2013.01); C04B 24/38 (2013.01); C04B 28/02 (2013.01);
Abstract
An inerting process for impurities in aggregates intended for preparation of hydraulic or hydrocarbon compositions, includes adding to the composition or to one of its constituents a cationic polymer corresponding to at least one derivative of a natural polymer or a polymer of natural origin selected from the group including dextrin (in particular yellow dextrin and white dextrin), chitosan, chitin, alginates, hemicellulose, pectin, polyols or proteins.