Coloring of anodized aluminum

Claim 1

THE METHOD OF COLORING ANODIZED ALUMINUM WHICH COMPRISES: APPLYING AN INK COMPOSITION CONSISTING ESSENTIALLY OF A WATER SOLUBLE ORGANIC HYDROXY COMPOUND HAVING A BOILING POINT GREATER THAN 100*C., A COLORING MATERIAL DISSOLVED TH3EREIN, A VISCOSITY CONTROL AGENT COMPATIBLE WITH AND CHEMICALLY INERT TOWARD THE REMAINING CONSTITUENTS IN THE COMPOSITION AND A FINELY DIVIDED FULLING AGENT CONSISTING OF POROUS PARTICLES OF SOLID INORGANIC PIGMENT CHEMICALLY INERT TOWARD THE REMAINING CONSTITUENTS IN THE COMPOSITION, AND WHEREIN THE RELATIVE PROPORTION OF FULLING AGENT IN THE COMPOSITION COMPRISES BETWEEN 60 AND 150 PARTS BY WEIGHT OF FULLING AGENT PER 100 PARTS BY VOLUME OF THE SOLUTION OF THE COLORING MATERIAL IN THE WATER SOLUBLE HYDROXY COMPOUND AND THE CONCENTRATION OF COLORING MATERIAL CONSTITUTES BETWEEN 00.5% AND 10% BY WEIGHT OF THE WATER SOLUBLE ORGANIC HYDROXY COMPOUND TO A POROUS ANODIZED ALUMINUM SURFACE; HEATING THE RESULTING ARTICLE TO A TEMPERATURE AT LEAST SUFFICIENT TO ELIMINATE ALL LIQUID FROM THE INK COMPOSITION, BUT BELOW THAT AT WHICH THE TINCTORIAL POWER OF THE COLORING MATERIAL IS ADVERSELY AFFECTED; MAINTAINING THE ARTICLE AT SAID TEMPERATURE WHILE THE COLORING MATERIAL IS ADSORBED INTO THE POROUS ANODIZED SURFACE AND DESORBED FROM THE SOLID INERT PIGMENT, WIPING OFF THE REMAINING SOLID POWDERY MATERIAL, AND SEALING THE RESULTING COLORED ANODIZED SURFACE.

Claim 2

THE METHOD OF COLORING ANODIZED ALUMINUM WHICH COMPRISES: APPLYING AN INK COMPOSITION CONSISTING ESSENTIALLY OF A WATER SOLUBLE ORGANIC HYDROXY COMPOUND HAVING A BOILING POINT GREATER THAN 100*C., A COLORING MATERIAL DISSOLVED TH3EREIN, A VISCOSITY CONTROL AGENT COMPATIBLE WITH AND CHEMICALLY INERT TOWARD THE REMAINING CONSTITUENTS IN THE COMPOSITION AND A FINELY DIVIDED FULLING AGENT CONSISTING OF POROUS PARTICLES OF SOLID INORGANIC PIGMENT CHEMICALLY INERT TOWARD THE REMAINING CONSTITUENTS IN THE COMPOSITION, AND WHEREIN THE RELATIVE PROPORTION OF FULLING AGENT IN THE COMPOSITION COMPRISES BETWEEN 60 AND 150 PARTS BY WEIGHT OF FULLING AGENT PER 100 PARTS BY VOLUME OF THE SOLUTION OF THE COLORING MATERIAL IN THE WATER SOLUBLE HYDROXY COMPOUND AND THE CONCENTRATION OF COLORING MATERIAL CONSTITUTES BETWEEN 00.5% AND 10% BY WEIGHT OF THE WATER SOLUBLE ORGANIC HYDROXY COMPOUND TO A POROUS ANODIZED ALUMINUM SURFACE; HEATING THE RESULTING ARTICLE TO A TEMPERATURE AT LEAST SUFFICIENT TO ELIMINATE ALL LIQUID FROM THE INK COMPOSITION, BUT BELOW THAT AT WHICH THE TINCTORIAL POWER OF THE COLORING MATERIAL IS ADVERSELY AFFECTED; MAINTAINING THE ARTICLE AT SAID TEMPERATURE WHILE THE COLORING MATERIAL IS ADSORBED INTO THE POROUS ANODIZED SURFACE AND DESORBED FROM THE SOLID INERT PIGMENT, WIPING OFF THE REMAINING SOLID POWDERY MATERIAL, AND SEALING THE RESULTING COLORED ANODIZED SURFACE.