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:
Oct. 09, 2012
Filed:
May. 04, 2007
Applicants:
Wolfgang Hierse, Gross-Zimmern, DE;
Nikolai Ignatyev, Duisburg, DE;
Inventors:
Wolfgang Hierse, Gross-Zimmern, DE;
Nikolai Ignatyev, Duisburg, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C25D 3/56 (2006.01); C25D 3/00 (2006.01); C25D 3/04 (2006.01); C25D 3/10 (2006.01); C25D 3/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to the use of phosphinic acids and/or phosphonic acids and salts thereof, preferably as surface-active compounds, in redox processes, in particular in electroplating technology, particularly preferably in electroplating baths, and to electroplating baths comprising these compounds.