US 11,913,091 B2
Tin production, which includes a composition comprising tin, lead, silver and antimony
Bert Coletti, Beerse (BE); Yves De Visscher, Beerse (BE); Charles Geenen, Beerse (BE); Jan Dirk A. Goris, Beerse (BE); Koen Govaerts, Beerse (BE); Pelle Lemmens, Beerse (BE); and Kris Mannaerts, Beerse (BE)
Assigned to Metallo Belgium, Beerse (BE)
Appl. No. 17/423,469
Filed by METALLO BELGIUM, Beerse (BE)
PCT Filed Jan. 30, 2020, PCT No. PCT/EP2020/052225
§ 371(c)(1), (2) Date Jul. 15, 2021,
PCT Pub. No. WO2020/157167, PCT Pub. Date Aug. 6, 2020.
Claims priority of application No. 19154610 (EP), filed on Jan. 30, 2019.
Prior Publication US 2022/0074020 A1, Mar. 10, 2022
Int. Cl. C22B 9/02 (2006.01); B01D 3/14 (2006.01); B01D 9/00 (2006.01); B23K 35/26 (2006.01); C22C 13/02 (2006.01); C25C 3/36 (2006.01)
CPC C22B 9/02 (2013.01) [B01D 3/148 (2013.01); B01D 9/004 (2013.01); B23K 35/262 (2013.01); C22C 13/02 (2013.01); C25C 3/36 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A metal composition comprising, on a dry weight basis,
at least 6.0% wt and at most 30.0% wt of lead;
at least 70.0% wt and at most 91% wt of tin;
at least 95.0% wt and at most 99.0% wt of lead and tin together;
at least 0.75% wt and at most 5.00% wt of silver;
at least 0.24% wt of antimony; and
further comprising, on the dry weight basis, at least one of:
at least 0.05% wt and at most 0.5% wt of arsenic;
at least 0.05% wt and at most 0.6% wt of copper;
at least 0.0030% wt and at most 0.0500% wt of nickel;
at least 0.0010% wt and at most 0.40% wt of bismuth;
at most 1.0% wt of iron; or
at least 0.0005% wt of gold;
the balance being impurities.