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:
Sep. 27, 1977
Filed:
Mar. 23, 1976
Applicant:
Inventors:
Richard G Gandy, Grand Prairie, TX (US);
Vincent Cohee White, Arlington, TX (US);
Assignee:
BJ-Hughes Inc., Long Beach, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 76 ; 106 89 ;
Abstract
A method of making lightweight cement slurry which involves dissolving sodium metasilicate and an activator in mix water, and thereafter mixing Portland cement therewith. The activator may be calcium chloride, calcium formate, calcium oxide, a water soluble calcium compound or a mixture thereof. The lightweight cement slurry so formed may be used for cementing well pipe in wells or for casting lightweight structural members, such as board, columns, and the like.