The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 30, 2011
Filed:
Jun. 03, 2008
Douglas J. Miller, North Olmsted, OH (US);
Ching-feng Chang, Strongsville, OH (US);
Irwin C. Lewis, Oberlin, OH (US);
Richard T. Lewis, Auburn, OH (US);
Aaron Tomasek, Wooster, OH (US);
Richard L. Shao, North Royalton, OH (US);
Douglas J. Miller, North Olmsted, OH (US);
Ching-Feng Chang, Strongsville, OH (US);
Irwin C. Lewis, Oberlin, OH (US);
Richard T. Lewis, Auburn, OH (US);
Aaron Tomasek, Wooster, OH (US);
Richard L. Shao, North Royalton, OH (US);
GrafTech International Holdings Inc., Parma, OH (US);
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.