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:
Mar. 02, 1993
Filed:
Oct. 07, 1991
Applicant:
Inventors:
Assignee:
Grillo-Werke AG, Duisburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62D / ; C01B / ; C01G / ; F23G / ;
U.S. Cl.
CPC ...
588209 ; 588207 ; 423531 ; 423659 ; 110236 ; 110346 ;
Abstract
Polychlorinated waste materials such as polychlorinated dibenzodioxines (PCDD), polychlorinated dibenzofuranes (PCDF) and polychlorinated biphenyls (PCB) are subjected to nonpolluting destruction by combusting said materials together with waste sulfuric acids, acid tars and similar sulfur- and carbon-containing waste products of various compositions and consistencies in a multi-stage combustion furnace.