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:
Feb. 05, 1985
Filed:
Nov. 01, 1983
Applicant:
Inventors:
Ihsan Barin, Aachen-Lau, DE;
Michael Gamroth, Cologne, DE;
Rolf Hesse, Mexico City, MX;
Soegianto Wirosoedirdio, Cologne, DE;
Assignee:
Klockner-Humboldt-Deutz AG, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ;
U.S. Cl.
CPC ...
423 88 ; 422139 ; 423 87 ; 4235 / ; 423565 ;
Abstract
Method and apparatus for the removal of arsenic compounds from an arsenic-containing material wherein the material is reacted with an oxygen carrier and a sulfur carrier under temperature conditions sufficiently high to convert the arsenic compounds to sulfides and the arsenic sulfides are thereupon condensed and deposited in solid form.