73162973
Mar 20, 1978
Oct 17, 1978
DRY SOLID PLASTIC MATERIALS IN BULK POWDER, PELLET, GRANULE, OR BEAD FORM FOR FURTHER PROCESSING BY THE PLASTICS MANUFACTURING INDUSTRY IN MOLDING OR EXTRUSION APPARATUS, PARTICULARLY DISPERSION OF BLACK COLORANT IN POLYMER HAVING A REINFORCING FUNCTION
Chemicals