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:
Feb. 14, 2017
Filed:
Aug. 05, 2014
Applicant:
The Swatch Group Research and Development Ltd, Marin, CH;
Inventors:
Christophe Henzirohs, Sonceboz, CH;
Guido Plankert, Boppelsen, CH;
Assignee:
The Swatch Group Research and Development Ltd, Marin, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 15/00 (2006.01); C25D 3/62 (2006.01); B05D 1/18 (2006.01); C25D 3/56 (2006.01); C25D 7/00 (2006.01); C25D 3/58 (2006.01);
U.S. Cl.
CPC ...
C25D 3/62 (2013.01); B05D 1/18 (2013.01); C25D 3/56 (2013.01); C25D 3/58 (2013.01); C25D 7/005 (2013.01);
Abstract
The invention concerns the field of galvanic depositions and relates to a method of galvanoplastic deposition of a gold alloy on an electrode dipped into a bath including metal gold in alkaline aurocyanide form, organometallic compounds, a wetting agent, a sequestering agent and free cyanide. According to the invention, the alloy metals are copper, in double copper and potassium cyanide form, and silver in cyanide form, allowing a mirror bright yellow gold alloy to be deposited on the electrode.