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:
Feb. 26, 1985
Filed:
Jan. 05, 1984
Applicant:
Inventors:
Richard Miller, Crofton, MD (US);
Janine M Rizer, Mechanicsville, MD (US);
Assignee:
Research One Limited Partnership, Towson, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; C08G / ;
U.S. Cl.
CPC ...
523401 ; 106 90 ; 106 97 ; 106 98 ;
Abstract
A lightweight cement product formed from a mixture comprising cement, condensed silica fume, flyash, cenospheres, finely divided crystalline silica particles, epoxy emulsion, curing agent, accelerator and water which hardens in less than one hour to produce articles with a density less than 90 pounds per cubic foot and a tensile strength of at least 600 psi and a compressive strength of at least 6000 psi after curing for 1 day at 60.degree. C.