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:
Jan. 25, 1977
Filed:
Dec. 20, 1972
Applicant:
Inventor:
Frank Ernest Ravault, Birmingham, EN;
Assignee:
Foseco International Limited, Birmingham, EN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C / ; B29H / ;
U.S. Cl.
CPC ...
106 / ; 264 44 ; 106 41 ;
Abstract
Porous ceramic materials are made by impregnating a foam with a slurry of finely divided ceramic material, drying and firing the foam. Prior to impregnating the foam it is treated so that the particulate material of the slurry will adhere to the foam.