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. 16, 2011
Filed:
Jan. 19, 2006
Applicant:
Henry Liu, Columbia, MO (US);
Inventor:
Henry Liu, Columbia, MO (US);
Assignee:
Ecologic Tech Company, Inc., Columbia, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 18/06 (2006.01); C04B 18/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of making durable, non-vitrified masonry units comprising fly ash, the method comprising mixing fly ash comprising a minimum of 15% CaO by weight and no more than about 10% loss on ignition, water, and an air entrainment agent to form a fly ash mixture; compacting the fly ash mixture in a shaping device by applying pressure of at least 1000 psi to the fly ash mixture; and curing the compacted fly ash mixture to cause the mixture to harden and gain strength.