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. 01, 1991
Filed:
Jan. 26, 1989
Applicant:
Inventors:
Joachim Korff, Bornheim, DE;
Axel Giehr, Wesseling, DE;
Karl-Heinz Keim, Swissttal, DE;
Kurt Erdt, Windhagen/Westerwald, DE;
Assignee:
Rheinische Braunkohlenwerke AG, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
585 24 ; 585240 ; 585242 ; 208 13 ; 208412 ; 208413 ; 208179 ; 423D / ;
Abstract
This invention relates to an improved process for the reprocessing of carbon containing wastes by pretreating the same thermally in the presence or absence of hydrogen, followed by hydrogenation of the pretreated material at elevated temperature and at least 200 bar hydrogen pressure.