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:
Mar. 14, 2023
Filed:
Nov. 20, 2020
Applicant:
Coventya S.p.a., Carugo, IT;
Inventors:
Giorgio Tesser, Oderzo, IT;
Sandrine Dalbin, Maserada Sul Piave, IT;
Assignee:
Coventya S.P.A., Carugo, IT;
Primary Examiner:
Int. Cl.
CPC ...
C23F 1/46 (2006.01); C25F 7/02 (2006.01); C25F 3/02 (2006.01);
U.S. Cl.
CPC ...
C23F 1/46 (2013.01); C25F 3/02 (2013.01); C25F 7/02 (2013.01);
Abstract
The present invention refers to an electrolytic treatment device having an anodic compartment comprising a non-chromium (VI) etching solution to be treated and immersed therein an anode. The anodic compartment is separated by a membrane from a cathodic compartment comprising a cathodic solution comprising an inorganic acid, wherein the anode and the cathode are used comprising or consisting of a ternary or higher Pb alloy with Sn and at least one further metal selected from the group consisting of Sb, Ag, Co, Bi and combinations thereof. Moreover, a method for etching plastic parts is provided as well.