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US 4,083,683 AGranted
Metal-containing polypropylene dyed with 1,4-bis-(2'-methyl-6'-ethylanilino)anthraquinone
AssigneeAmerican Color & Chemical Corporation
InventorRaouf Botros
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Abstract
Metal-containing polypropylene fibers dyed with a blue dye of the formula: ##STR1## are provided. The dyed polypropylene exhibits outstanding fastness to light and dry-cleaning solvents.
Claims2
Dyed metal-containing polypropylene fibers, the dye being:
- ##STR5## the metal of said metal-containing polypropylene fibers being selected from the group consisting of aluminum, nickel and zinc.
Dependencies are inferred from the claim text.