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:
Jan. 26, 2016
Filed:
Sep. 26, 2013
Applicant:
Construction Research & Technology, Gmbh, Trostberg, DE;
Inventors:
Assignee:
Construction Research & Technology GmbH, Trostberg, DE;
Primary Examiner:
Int. Cl.
CPC ...
C04B 24/12 (2006.01); C04B 24/04 (2006.01);
U.S. Cl.
CPC ...
C04B 24/128 (2013.01); C04B 24/04 (2013.01); C04B 24/121 (2013.01); C04B 24/122 (2013.01); C04B 24/123 (2013.01);
Abstract
We herewith propose the use of at least one nitrogen-containing organic compound and/or a salt thereof in combination with at least one aromatic carboxylic acid and/or a salt thereof for improving the freeze-thaw stability of an alkali-activated aluminosilicate binder, and a preferred alkali-activated aluminosilicate binder comprising ε-caprolactam and sodium benzoate as freeze-thaw stabilizers.