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(11)    Patent No :    AP 2120   
(21)    Application No :    AP/P/2005/003401   
(22)    Filing Date :    12.03.2004   
(24)    Date of Grant &    28.04.2010   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
US    10/387,505    14.03.2003

(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW

(73) Applicant(s)

WORLD RESOURCES COMPANY, 1600 Anderson Road,

Mclean, VA 22102,
United States of America

(72) Inventors

HALPIN Peter T., United States of America

SCHLEGEL Ulrich R., United States of America

RIEGEL Kenneth E., United States of America

et al

(74) Representative

HONEY & BLANCKENBERG
 

(51)  International  Classification   C22B 1/24 (2006.01)    C22B 7/00 (2006.01)
C22B 1/248 (2006.01)   


(54)    Title

Recovery of metal values from cermet

(57)    Abstract

Cermet material obtained from unused inert anodes, used inert anodes and cermet used in the production of inert anodes is beneficiated into a nonferrous metal concentrate composition from which metal values contained in the composition may be readily recovered by using a conventional smelting process. The invention also relates to the use of the composition in a smelting

process for the recovery of metal values from the cermet composition of the

(56)    Documents Cited :    US 6 423 204 B1   GB 2 021 534 A    US 6 440 279 A

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