Patent ID: 7320766

Claim:
A polymeric lightly pigmented overdyed fiber, consisting of: a polymer; color pigments, wherein the color pigments are selected from two of the color families of the trichromatic dye color system, the trichromatic dye color system consisting of blue, yellow and red, the pigmented fiber having off-white color with L* value of about 70 to about 94, wherein the color pigments consist of a combination of two of Pigment Red 60, Pigment Red 63, Pigment Red 80, Pigment Red 66, Pigment Red 67, Pigment Red 81, Pigment Red 68, Pigment Red 73, Pigment Red 83, Pigment Yellow 65, Pigment Yellow 82, Pigment Yellow 85, Pigment Yellow 87, Pigment Blue 61, Pigment Blue 69, Pigment Blue 74, and Pigment Blue 78; a dye appropriate for the polymer; optionally TiO 2 delusterant; and wherein the total pigment loading level is in the range from about 10 to about 600 ppm by weight of the fiber.