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. 20, 2018
Filed:
Feb. 28, 2014
Applicant:
The Catholic University of America, Washington, DC (US);
Inventors:
Weiliang Gong, Rockville, MD (US);
Werner Lutze, Chevy Chase, MD (US);
Ian L. Pegg, Alexandria, VA (US);
Assignee:
The Catholic University of America, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C04B 12/00 (2006.01); C04B 38/02 (2006.01);
U.S. Cl.
CPC ...
C04B 38/02 (2013.01); Y02P 40/165 (2015.11); Y02W 30/92 (2015.05); Y02W 30/94 (2015.05); Y02W 30/95 (2015.05);
Abstract
A composite binder comprises: one or more Class F fly ash materials, one or more gelation enhancers, and one or more hardening enhancers, wherein each of the one or more Class F fly ash materials comprises 15 wt. % or less calcium oxide, and wherein the composite binder is a Portland cement-free binder for concrete. Also provided are Geopolymer Composite Cellular Concretes (GCCCs) including the composite binder and methods of making these GCCCs.