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:
Nov. 16, 1976
Filed:
Aug. 14, 1974
Applicant:
Inventors:
Daniel Ralph Petrak, Irwin, PA (US);
Thomas Franklin Foltz, Westboro, MA (US);
Assignee:
Dresser Industries, Inc., Dallas, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
106 65 ; 106 64 ; 106 67 ; 106 44 ; 106104 ;
Abstract
This invention relates to refractory castables containing a heat resistant aggregate and calcium aluminate cement plus the addition of +35 mesh silicon carbide wherein such castable may be used at temperatures up to 3200.degree. F. with the required strength.