US 12,486,580 B2
Application of type II chemical conversion coatings (CCCS) using foaming agents
Cody Coogan, Columbiana, AL (US); Kevin R. Bordage, Westfield, MA (US); Blair A. Smith, South Windsor, CT (US); Erik W. Karlen, Rockford, IL (US); and Brodie Gross, Rockford, IL (US)
Assigned to Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Mar. 25, 2022, as Appl. No. 17/704,769.
Prior Publication US 2023/0304161 A1, Sep. 28, 2023
Int. Cl. C23C 22/30 (2006.01); C09K 3/30 (2006.01); C09K 23/16 (2022.01); C23C 22/58 (2006.01); C23C 22/78 (2006.01); C09K 107/00 (2006.01)
CPC C23C 22/58 (2013.01) [C09K 3/30 (2013.01); C09K 23/16 (2022.01); C23C 22/78 (2013.01); C09K 2107/00 (2013.01); C23C 2222/10 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A chemical conversion coating spray foam comprising:
a non-hexavalent chromium aqueous chemical conversion coating solution comprising trivalent chromium;
a foaming agent; and
a propellant.