For the Interesting Patents file:
C&EN recently published an interesting article on Orion Engineered Carbons GbmH and its strategy of making and selling the most sophisticated grades of carbon black it can.
Carbon Black is a is a material produced by the incomplete combustion of heavy petroleum products. It is widely used as reinforcing filler material for rubber. [Tires, tire treads, cable sheathing, hoses, drive belts, conveyor belts, roll coverings, shoe soles, sealing rings, profiles, and damping elements.] Carbon black is also used as a pigment. That’s not surprising given its name.
A recent carbon black patent issued to Orion is US 8,735,488.
US 8,735,488
Claim 1. A carbon black, characterized in that the CTAB surface area is from 100 to 160 m2/g, the quartile ratio is greater than 1.60, and the FP index is >0.