am i right in assumeing that NIPPON MINING & METALS CO., LTD. has a patent extending from intec patents??
"SUMMARY OF INVENTION
[0011]These drawbacks of the hydrometallurgical process can be solved by AU Patent No. 669906 entitled as "Production of Metals from Minerals". This AU patent proposes a halide bath leaching characterized by simultaneous copper and gold recoveries and is referred to as INTEC process. The electrolytic copper obtained in the halide bath has poor shape and quality. Since an apparatus for producing the halex is the same as the apparatus for electrolytic deposition and recovery of copper, the operation is complicated. The proposed method is, therefore, inappropriate for treatment in the large scale.
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