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:
Jul. 04, 1995
Filed:
Mar. 28, 1994
Applicant:
Inventor:
Richard B Greenwalt, Danville, CA (US);
Assignee:
Bechtel Group, Inc., San Francisco, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
75445 ; 75581 ;
Abstract
The invention relates to a method for processing environmentally undesirable materials including petroleum coke and the sulfur and heavy metals contained therein and oily steel and iron ferrous waste from machine shop and steel and iron processing to provide fuel and a charging material for a process of making molten iron or steel preproducts and reduction gas in a melter gasifier.