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US 5,296,032 AGranted
Aqueous resistant metal pigment-containing paste and method for making
AssigneeSilberline Manufacturing Co., Inc.
InventorsWilliam G. Jenkins, Craig Keemer, H. Taylor Lamborn, Michael Curcio
Life of this patent
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Abstract
Metal pigment particles which are treated with a heteropoly anion compound show increased stability against attack by water. The particles are especially useful in aqueous coating compositions.
Claims15
A metal pigment-containing paste suitable for formation of a coating composition, comprising:
- metal pigment particles;
- a solvent;
- and at least one heteropoly anion.
A method of making a metal pigment-containing paste useful for forming a coating composition, comprising:
- (a) producing metal particles;
- and
- (b) contacting the metal particles with a heteropoly anion compound.
In a painted automobile, the improvement comprising paint containing metal particles which have been treated with at least one heteropoly anion.
Dependencies are inferred from the claim text.