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. 12, 2024

Filed:

Sep. 22, 2021
Applicant:

Henkel Ag & Co. Kgaa, Duesseldorf, DE;

Inventors:

John L. Zimmerman, Taylor, MI (US);

John D. McGee, Troy, MI (US);

Gregory T. Donaldson, Sterling Heights, MI (US);

Thomas S. Smith, II, Novi, MI (US);

William G. Kozak, Waterford, MI (US);

Lisa K. Miller, Clinton Township, MI (US);

Eric C. Kuhns, Washington, MI (US);

Assignee:

Henkel AG & Co. KGaA, Duesseldorf, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 7/65 (2018.01); C09D 4/06 (2006.01); C09D 5/00 (2006.01); C09D 7/20 (2018.01); C09D 109/02 (2006.01); C09D 135/02 (2006.01); C09D 153/00 (2006.01); H05K 3/28 (2006.01);
U.S. Cl.
CPC ...
C09D 5/00 (2013.01); C09D 4/06 (2013.01); C09D 7/20 (2018.01); C09D 7/65 (2018.01); C09D 109/02 (2013.01); C09D 135/02 (2013.01); C09D 153/00 (2013.01); H05K 3/282 (2013.01); H05K 3/284 (2013.01);
Abstract

A circuit board water-proofing coating composition is provided comprising: at least one passivating agent, preferably containing a molecule comprising a thio-functional group, desirably a thiol group, an azolic moiety, or an azole, and combinations thereof; at least one binder component comprising an organic or inorganic film-forming polymer, and/or one or more polymer pre-cursors polymerizable on a substrate surface; and optionally one or more additive(s); also provided are methods of making and using the coating composition and coated circuit boards.


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