Invention Grant
- Patent Title: Reduced puffing needle coke from coal tar distillate
- Patent Title (中): 从煤焦油馏出物中减少膨化针焦炭
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Application No.: US13187985Application Date: 2011-07-21
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Publication No.: US08530094B2Publication Date: 2013-09-10
- Inventor: Douglas J. Miller , Ching-Feng Chang , Irwin C. Lewis , Richart T. Lewis , Aaron Tomasek , Richard L. Shao
- Applicant: Douglas J. Miller , Ching-Feng Chang , Irwin C. Lewis , Richart T. Lewis , Aaron Tomasek , Richard L. Shao
- Applicant Address: US OH Parma
- Assignee: Graftech International Holdings Inc.
- Current Assignee: Graftech International Holdings Inc.
- Current Assignee Address: US OH Parma
- Main IPC: C01B31/00
- IPC: C01B31/00
Abstract:
A reduced puffing needle coke is formed, which includes a reduced nitrogen content within the coke so that the coke particles do not experience as much puffing during the formation of graphitized carbon articles produced from such coke upon heating to graphitization temperatures.
Public/Granted literature
- US20110280275A1 Reduced Puffing Needle Coke From Coal Tar Distillate Public/Granted day:2011-11-17
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