The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2025
Filed:
May. 12, 2022
Basf SE, Ludwigshafen am Rhein, DE;
Si Jun Zhu, Shanghai, CN;
Jin Bo Song, Shanghai, CN;
Jing Cheng Xia, Shanghai, CN;
Yong Ming Chen, Hunan, CN;
Cong Chang, Hunan, CN;
You Gang Li, Hunan, CN;
Chang Liu Xiang, Hunan, CN;
Sheng Hai Yang, Hunan, CN;
BASF SE, Ludwigshafen am Rhein, DE;
Abstract
The present invention relates to an electroplating bath comprising (A) an alkane sulfonic acid or alkanol sulfonic acid; (B) a soluble metal salt of alkane sulfonic acid or alkanol sulfonic acid; and (C) at least one additive selected from—polyether derivatives of formula (I),—sulfonated or sulfated polyether derivatives of formula (II) or—any combinations thereof, wherein the groups in formulae (I) and (II) are as defined in the description and claims. The present invention also relates to a process for refining metal and a process for controlling morphology of metal deposited on cathode in electrolytic refining of the metal, which comprise using the electroplating bath according to the present invention.