U.S. 8,138,250 B2
H R D Corporation has been granted a patent for an ink composition, comprised of between 20%-60% weight percent of an acrylic resin dispersion; between 5%-30% weight percent of a pigment; between 20%-75% weight percent of an aqueous solvent; and between 0.5% to 5% weight percent of a hydrogenated, vegetable-derived wax, the wax being characterized by an iodine value between 2 to 5, and wherein the wax is a wax comprising 20% castor wax and 80% soybean wax by weight.
HRD Corp. patents wax for reducing mar and abrasion in inks and coatings
Published September 17, 2012
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