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. 20, 1979
Filed:
May. 01, 1978
Applicant:
Inventors:
Gunter Gelsdorf, Nordenstadt, DE;
Friedhelm Wirth, Siershahn, DE;
Assignee:
Didier-Werke A.G., , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 44 ; 106 56 ; 106 66 ;
Abstract
Improved refractory compositions for the production of blast furnace pouring ducts are realized by the inclusion of Cr.sub.2 O.sub.3 in said compositions.
Gelsdorf, Gunter. (1979). Refractory composition (U.S. Patent No. 4174970). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4174970
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile