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.

Date of Patent:
Nov. 22, 2016

Filed:

Oct. 24, 2011
Applicants:

Christian Sparing, Berlin, DE;

Thomas Huelsmann, Berlin, DE;

Arno Clicque, Berlin, DE;

Patrick Brooks, Berlin, DE;

Adrian Zee, Berlin, DE;

Heiko Brunner, Berlin, DE;

Inventors:

Christian Sparing, Berlin, DE;

Thomas Huelsmann, Berlin, DE;

Arno Clicque, Berlin, DE;

Patrick Brooks, Berlin, DE;

Adrian Zee, Berlin, DE;

Heiko Brunner, Berlin, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 22/48 (2006.01); C23F 1/18 (2006.01); H05K 3/00 (2006.01); H05K 3/38 (2006.01);
U.S. Cl.
CPC ...
H05K 3/00 (2013.01); C23F 1/18 (2013.01); H05K 3/383 (2013.01); H05K 2203/124 (2013.01);
Abstract

The invention concerns a solution for pretreating copper surfaces, and a method for pre-treating copper surfaces allowing the formation of a tight bond to plastic substrates. The solution comprises: a) hydrogen peroxide, b) at least one acid, and c) at least one nitrogen-containing, five-membered, heterocyclic compound, and d) additionally at least one nitrogen containing, adhesion-promoting compound, said compound comprising, or consisting of, lactams, non-quaternary fatty amines, amides and polyamides, connected at one or more of its nitrogen atoms with at least one residue of formula (I).


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