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:
Jan. 28, 2020

Filed:

Oct. 30, 2014
Applicant:

Rohm and Haas Electronic Materials Llc, Marlborough, MA (US);

Inventors:

Hiroki Okada, Niigata, JP;

Shenghua Li, Niigata, JP;

Shinjiro Hayashi, Niigata, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 31/22 (2006.01); C23C 18/52 (2006.01); C23C 18/30 (2006.01);
U.S. Cl.
CPC ...
B01J 31/2295 (2013.01); C23C 18/30 (2013.01); C23C 18/52 (2013.01);
Abstract

The present invention relates to a stable palladium ion catalyst aqueous solution for electroless metal plating that does not use boric acid and can be used stably over a wide pH range. The catalyst solution for electroless plating of the present invention contains palladium ion, palladium ion complexing agent, and a specific amine compound and is alkaline.


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