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US 4,380,596 AGranted
Primer or solvent resistant protective coating
AssigneeGeneral Electric Company
InventorGeorge R. Watchko
Life of this patent
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Abstract
A novel coating composition is disclosed that is useful for primary resin based composition. The composition comprises an aqueous aliphatic polyurethane, an anionic surfactant and a carbon containing pigment.
Claims8
An aqueous composition which comprises:
- (a) an aqueous colloidal dispersion of an aliphatic urethane derived from the reaction of a diisocyanate of the formula OCN--R'NCO and water, wherein R is a divalent organic radical;
- (b) an anionic surfactant;
- and
- (c) a carbon containing pigment.
1 more element
Dependencies are inferred from the claim text.