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:
Jan. 23, 1979
Filed:
Nov. 16, 1977
Applicant:
Inventors:
Rolf Fikentscher, Ludwigshafen, DE;
Klaus Glaser, Mutterstadt, DE;
Guenther Gotsmann, Frankenthal, DE;
Werner Streit, Bobenheim, DE;
Assignee:
BASF Aktiengesellschaft, Rheinland/Pfalz, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204 / ;
Abstract
An aqueous cyanide-free alkaline zinc bath for electroplating metallic surfaces with mirror-bright zinc coatings, which bath contains zinc ions, alkali metal hydroxides and, as the brightener, a polyalkylenepolyamine which is at least partially alkylated, with alkyl of 1 to 3 carbon atoms, at the basic nitrogens.