Method of Anodizing Aluminum Utilizing Stabilized Silicate Solutions
OwnerJohn Tony Kinard, Brian John Melody +2inventors
InventorsJohn Tony Kinard, Brian John Melody, Albert Kennedy Harrington, David Alexander Wheeler
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Abstract
An anodizing solution, and method of anodizing, comprising suspending at least one aluminium substrate in an anodizing solution and applying an anodizing current to the anodizing solution. The anodizing solution comprises 0.01-5%, by weight, sodium silicate and 0.01-5%, by weight, α-amino acid.
Claims51
1-13. (canceled)
A method of anodizing comprising suspending at least one aluminium substrate into an electrolytic solution and applying an anodizing current to the electrolytic solution wherein the electrolyte solution comprises 0.01-5%, by weight, sodium silicate and 0.01-5%, by weight, α-amino acid.
A method for forming an aluminium oxide barrier layer on an aluminium substrate comprising suspending at least one aluminium substrate into an electrolytic solution and applying an anodizing current to the electrolytic solution wherein the electrolyte solution comprises 0.01-5%, by weight, sodium silicate and 0.01-5%, by weight, α-amino acid.
An aluminium substrate comprising an aluminium oxide barrier layer prepared by a method comprising suspending said aluminium substrate into an electrolytic solution and applying an anodizing current to the electrolytic solution wherein the electrolyte solution comprises 0.01-5%, by weight, sodium silicate and 0.01-5%, by weight, α-amino acid.
(canceled)
Dependencies are inferred from the claim text.