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. 24, 1981
Filed:
Jul. 13, 1979
Applicant:
Inventor:
Karl V Hauser, Ann Arbor, MI (US);
Assignee:
Edw. C. Levy Co., Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 98 ; 106118 ; 106121 ; 106D / ;
Abstract
A process and composition of matter for the treatment of mortar or concrete which includes fly ash containing carbon, for the purpose of increasing air entrainment. A small quantity of a soluble alkaline earth oxide is added to the mortar or concrete at the time of mixing. The material is added in form which is immediately available to inhibit the air-adsorptive properties of the carbon in the fly ash.