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:
Jul. 28, 2015
Filed:
Apr. 27, 2012
Applicant:
Ching-hsiang Hsu, Keelung, TW;
Inventor:
Ching-Hsiang Hsu, Keelung, TW;
Assignee:
UWIN NANOTECH CO., LTD., Keelung, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25F 3/02 (2006.01); C25F 5/00 (2006.01); C25F 3/22 (2006.01); C22B 3/00 (2006.01);
U.S. Cl.
CPC ...
C25F 5/00 (2013.01); C22B 11/042 (2013.01); C25F 3/02 (2013.01); C25F 3/22 (2013.01); Y02W 30/54 (2015.05);
Abstract
The invention provides a stripping gold component which could remove gold from substrate, comprising: a stripping gold chemical compound; and a assistant conductive compound wherein said stripping gold chemical compound bonds with gold to form covalent bond to strip gold from said substrate, said assistant conductive chemical compound helps the electric conduction and decreases the voltage, said substrate would not be damaged after stripping gold from said substrate, and the stripping gold component is cyanide free.