Copper/tin/lead production

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12195823
APP PUB NO 20230357887A1
SERIAL NO

18315668

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Abstract

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A dilute copper metal composition includes 57-85% wt Cu, ≥3.0% wt Ni, ≤0.8% wt Fe, 7-25% wt Sn and 3-15% wt Pb. A process includes the steps of partially oxidizing a black copper composition to obtain a first copper refining slag and a first enriched copper metal, partially oxidizing the first enriched copper metal to obtain a second copper refining slag, whereby at least 37.0% wt of the amount of tin and lead processed is retrieved in the first and second copper refining slags together; and partially reducing the first copper refining slag to form a first lead-tin based metal composition and a first spent slag. The process further includes the steps of adding the second copper refining slag to the first lead-tin based metal composition, thereby forming a first liquid bath; and partially oxidizing the first liquid bath, thereby obtaining the dilute copper metal composition.

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Patent Owner(s)

Patent OwnerAddress
METALLO BELGIUM2340 BEERSE

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Breugelmans, Andy Beerse, BE 7 20
Coletti, Bert Beerse, BE 17 20
De, Visscher Yves Beerse, BE 17 20
Geenen, Charles Beerse, BE 20 22
Goris, Jan Dirk A Beerse, BE 16 20
Guns, Walter Beerse, BE 7 20
Mollen, Niko Beerse, BE 7 20
Smets, Steven Beerse, BE 8 22

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