Anodized Surface Enzymatic Coating for Fingerprint Mitigation

The patent applies enzymatic treatment to change the chemical parameters of the anodized surface, using lipase enzymes to degrade lipid-based fingerprint contaminants into water-soluble products that can be removed from the porous structure, thereby improving cosmetic appearance without altering the fundamental porous nature of the anodized layer

The patent introduces enzymatic agents as intermediaries between the fingerprint contaminants and the anodized surface. These enzymes act as mediators that facilitate the breakdown and removal of lipid-based contaminants from the porous structure, enabling effective cleaning that would not be achievable with conventional mechanical or chemical methods alone

The patent implements a self-cleaning mechanism where the enzymatic treatment applied to the anodized surface creates ongoing lipolytic activity. The immobilized lipase enzymes continue to degrade any lipid-based contaminants that come into contact with the surface, providing sustained fingerprint resistance and preventing residual mark formation without requiring additional manual intervention

The patent replaces mechanical cleaning methods with biochemical enzymatic action. Instead of using abrasives or strong chemicals that might damage the porous anodized structure or leave residues, the system uses specific lipase enzymes to selectively degrade lipid contaminants into removable products, achieving cleaner results without mechanical damage or residual contamination