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:
Jun. 24, 1980
Filed:
May. 31, 1978
Applicant:
Inventors:
Heinz Echterhoff, Essen, DE;
Wilfried Gemmeke, Essen, DE;
Karl H Koch, Castrop-Rauxel, DE;
Erich Raulf, Castrop-Rauxel, DE;
Joachim Sieckmann, Essen, DE;
Assignee:
Verkaufsgesellschaft fur Teererzeugnisse, Essen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75 48 ; 264 295 ; 423449 ;
Abstract
Hydrous soot material containing a hydrocarbon is formed into molded articles which are then coked to form a high carbon content product.