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:
Aug. 19, 2014
Filed:
Feb. 16, 2011
Applicants:
Pierre-henri Jezequel, Lyons, FR;
Benoit Mathonier, Lyons, FR;
Inventors:
Pierre-Henri Jezequel, Lyons, FR;
Benoit Mathonier, Lyons, FR;
Assignee:
Lafarge, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A foamed concrete having a density from 100 to 800 kg/mincluding by mass relative to the total mass of the concrete: a cement; water; from 0.01 to 5% of a water-reducing agent, plasticizer or superplasticizer; from 0.45 to 5% of a foaming agent relative to the amount of water; from 0.01 to 5% of a water-soluble calcium salt; inorganic particles from 0.1 to 300 μm in size; the ratio of foaming agent to calcium salt being from 0.3 to 0.8; the foamed concrete including 10% or more by mass of slag.