US 12,305,290 B2
Conversion coating application system including hydrogels and methods of using same
Alexander Evan Westre, Carson City, NV (US); and Sjon Westre, Carson City, NV (US)
Assigned to Chemeon Surface Technology, LLC, Minden, NV (US)
Filed by Chemeon Surface Technology, LLC, Minden, NV (US)
Filed on Jun. 6, 2024, as Appl. No. 18/735,783.
Application 18/735,783 is a division of application No. 18/209,123, filed on Jun. 13, 2023, granted, now 12,037,690.
Claims priority of provisional application 63/351,771, filed on Jun. 13, 2022.
Prior Publication US 2024/0318315 A1, Sep. 26, 2024
Int. Cl. C23C 22/30 (2006.01); C23C 22/53 (2006.01); C23C 22/56 (2006.01); C23C 22/57 (2006.01); C23C 22/73 (2006.01); C23C 22/34 (2006.01)
CPC C23C 22/57 (2013.01) [C23C 22/53 (2013.01); C23C 22/56 (2013.01); C23C 22/73 (2013.01)] 72 Claims
OG exemplary drawing
 
1. A method comprising treating a metal substrate with conversion coating applicator, the conversion coating applicator comprising a first liner, a hydrogel attached to the first liner, and a second liner removably attached to the hydrogel, the hydrogel comprises a trivalent chromium conversion coating solution comprising: a trivalent chromium compound, a zirconate compound, and a dye compound, the conversion coating solution is an aqueous solution, the method comprising:
shaping the conversion coating applicator into a shape that corresponds to a specific shape of the metal substrate; and
placing the conversion coating applicator on the metal substrate such that the hydrogel contacts the metal substrate.