Degussa patents

March 19, 2007

Patent No. U.S. 7,112,618 B2
Degussa AG has obtained a patent for beaded black. It is comprised of carbon black and at least one pelletizing additive which is a wax or resin and at least one synthetic oil, wherein at least one pelletizing agent and at least one synthetic oil are incorporated into the carbon black in a homogeneous distribution.