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:
May. 20, 2014
Filed:
Dec. 12, 2008
Applicants:
Jean-michel Faure, Oullins, FR;
David Rinaldi, Lyons, FR;
Horacio Naranjo, Jardin, FR;
Inventors:
Assignee:
Lafarge SA, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B 31/12 (2006.01); C08K 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method includes adding at least one copolymer or a salt thereof acting as a plasticizer, blocking agent, or both a plasticizer and a blocking agent, to a calcium sulphate-based hydraulic binder. The copolymer includes an acrylic acid or a poly(oxy)alkylene copolymer.