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. 15, 1980
Filed:
May. 11, 1979
Applicant:
Inventors:
Manfred Patsch, Wachenheim, DE;
Dieter Schneider, Ludwigshafen, DE;
Guenther Gotsmann, Frankenthal, DE;
Albert Hettche, Hessheim, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204 49 ; 544224 ; 544242 ; 544358 ; 546122 ; 546182 ; 546347 ; 548335 ; 548341 ; 548203 ;
Abstract
An acidic nickel electroplating bath containing brighteners and levelling agents, wherein the levelling agents are compounds of the formula I ##STR1## where N is a hetero-aromatic nitrogen base, R, R.sup.1 and R.sup.2 are hydrogen or alkyl, R.sup.3 is arylene, X is SO.sub.3.sup.-, Y is a neutralizing cation, n is from 1 to 3 and m is from 1 to 2.5.