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. 19, 2005
Filed:
May. 09, 2001
Applicants:
Klaus-dieter Schulz, Berlin, DE;
Wolfgang Dahms, Berlin, DE;
Holger Weide, Berlin, DE;
Inventors:
Assignee:
Atotech Deutschland GmbH, Berlin, DE;
Primary Examiner:
Int. Cl.
CPC ...
C25D003/56 ; C25D003/12 ;
U.S. Cl.
CPC ...
Abstract
In order to achieve an even satin-finished nickel or nickel alloy coating an acid nickel or nickel alloy electroplating bath is proposed which contains a sulfosuccinic acid compound of the general formula I additional to at least one quaternary ammonium compound, wherein R, R=hydrogen ion, alkali ion, alkaline earth ion, ammonium ion and/or C-Chydrocarbon moiety, wherein Rand Rare identical or different with the proviso that at the most one of the groups Rand R=hydrogen ion, alkali ion and alkaline earth ion, and wherein K=hydrogen ion, alkaline ion, alkaline earth ion, ammonium ion