Waddey & Patterson, P.C.
Reduced puffing needle coke from decant oil
A reduced puffing needle coke is formed from decant oil, which includes a lesser amount of nitrogen within the coke so that carbon articles produced from such coke experience minimal expansion upon heating to graphitization temperatures.
GrafTech International Holdings Inc.
C C C C C C
C10B C10G C10G C10B C10B C10G
inventional inventional additional inventional inventional inventional
Aaron Ching-Feng Douglas J. Irwin C. Richard L.
Tomasek Chang Miller Lewis Shao