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. 21, 1989
Filed:
Dec. 02, 1987
Applicant:
Inventor:
Richard L Helferich, Clayton, OH (US);
Assignee:
The Duriron Company, Inc., Dayton, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
501 84 ; 501125 ; 501128 ; 106 75 ; 106 84 ; 2523155 ; 423181 ; 423203 ; 264 42 ; 264 48 ; 4283124 ; 4283166 ; 4283188 ; 428689 ; 428697 ;
Abstract
Disclosed herein is a foamable, self-setting ceramic composition which can be poured into molds or injection-molded or extruded to achieve desired shapes, and thereafter fired to produce shaped, porous ceramic articles useful as filter elements, insulation, kiln furniture, molds furnace linings or other like articles, the composition containing agents capable of developing an aluminosilicate hydrogel and capable of generating gas to produce porosity within the hydrogel bound molded shape.