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Section:	Main.PIGMENT.Light Interference Pigments.Co.: DE. B (Substrate: Al2O3).Patent.Claims Etc.Claim 1: Aqueous Coating Compn..a) Water-Compatible Polymer; b).CrossLinking Agent, c).Optically Variable Pigment Treated.with Slurry of Solvents Selected:.Water Etc & Metal Salts Select:.Salts of Transition Metals having.Atomic Numbers 21-28; 39-42; 57 &.72-74; and Salts of the Lanthanide.Series of Rare Earth Metals having.Atomic Numbers of from 58 to 71..Claims 2,3: Metal Salt (1-30% based.on Total Pigment Weight) to Protect.Pigment Surface from Corrosion in.Aqueous Environment have Basic pH.Claim 4: Pigment/Binder= 0.03:1-.0.40:1. Claim 9: Metal Salt Select:.Vanadium Salt Etc. Assignee
Code:	63785
Product:	USA. B
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