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:
Dec. 06, 1977
Filed:
Oct. 06, 1975
Applicant:
Inventors:
Paul Lennart Ivarsson, Hoganas, SW;
Peter Harry Havranek, Hoganas, SW;
Assignee:
Hoganas AB, Hoganas, SW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
106 44 ; 106 56 ; 106 58 ; 106 67 ; 106 68 ; 106 69 ;
Abstract
A refractory material contains a small quantity of colloidal silica. The colloidal silica increases the resistance of the material against aggressive slags.