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(11)    Patent No :    AP 2293    (73) Applicant(s)       
(21)    Application No :    AP/P/2007/004158    XSTRATA QUEENSLAND LIMITED, Riverside Centre, Level       
            9, 123 Eagle Street, Brisbane, Queensland 4000,       
(22)    Filing Date :    09.03.2006    Australia       
(24)    Date of Grant &    23.09.2011           
(45)    Publication :

(30)    Priority Data            (72) Inventors   
    (33) Country    (31) Number    (32) Date    WEBB Wayne Keith, Australia   
    AU    2005901127    09.03.2005    (74) Representative   
(84)    Designated State           
    BW  ZM            GALLOWAY & COMPANY   
(51)    International    Classification    C25B11/04 (2006.01)    C25C1/12 (2006.01)   

(54)    Title

Stainless steel electrolytic plates

(57)    Abstract

There is provided a substantially permanent stainless sited cathode plate (1) suitable for use in electrorefining of metal cathodes, the cathode being composed of a low-nickel duplex steel or a lower grade "304" steel, wherein operational adherence of an electrode -position thereon is enabled by altering various qualities of the c athode surface. There is also provided a method of producing the above duplex or grade 304 cathode plates, such that the desired operational adherence of the deposit upon the plate is not so strong as to prevent the metal deposit being removed during subsequent handling.

(56)    Documents Cited :    WO-0188224    US-5254225    US-4082641


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