Patent No. U.S. 7,220,297 B2
Pigmentan Anticorrosive Pigments for Paints Ltd., Katzrin, Israel has obtained a patent for an anti-corrosive pigment-containing composition, comprising a mixture of a metal phosphate and a metal compound having at least one oxygen atom, the metal compound selected from the group consisting of metal oxide and metal hydroxide, wherein the metal ion in the metal phosphate and the metal compound is the same and is selected from the group consisting of magnesium (Mg), calcium (Ca) divalent iron (Fe(II)) or any combination thereof; wherein the mixture is the pigment, and wherein the molar ratio of the total metal ion to phos