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US 10,294,571 B2Granted
Coloration of electroless nickel plating by application of cold bluing solutions
AssigneeLegal Manufacturing, LLC
InventorsStephen Bryan Vaughn, Derek Scott Kozlowski
Life of this patent
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Abstract
Disclosed herein are methods relating to the coloring of nickel-plated materials.
Claims21
A method for the coloration of an electroless nickel surface or an electroless nickel-plated surface comprising the steps of:
- providing the surface;
- and
- coloring the surface with a coloring solution, wherein the coloring solution comprises a selenium solution, a copper solution, and one or more acids.
A method for the coloration of an electroless nickel surface or an electroless nickel-plated surface comprising the steps of:
- providing the surface;
- pretreating the surface with an acid;
- and
- coloring the surface with a coloring solution, wherein the coloring solution comprises a selenium solution, a copper solution, and one or more acids.
1 more element
A method for the coloration of an electroless nickel surface or an electroless nickel-plated surface comprising the steps of:
- providing the surface;
- selectively patterning the surface with a masking device;
- and
- coloring the surface with a coloring solution, wherein the coloring solution comprises a selenium solution, a copper solution, and one or more acids.
1 more element
Dependencies are inferred from the claim text.