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Title: Method of producing needle coke for low CTE graphite electrodes

A method of producing low CTE graphite electrodes from needle coke formed from a coal tar distillate material having a relatively high initial boiling point.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
1397263
Assignee:
GrafTech International Holdings Inc. NETL
Patent Number(s):
9,777,221
Application Number:
11/427,786
Contract Number:
FC26-03NT41874.
Resource Relation:
Patent File Date: 2006 Jun 29
Research Org:
GrafTech International Holdings Inc. Brooklyn Heights, OH (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 01 COAL, LIGNITE, AND PEAT

Other works cited in this record:

Process for Producing Needle-Shaped Coal Pitch Coke
patent, March 1974

Process for manufacturing needle coke
patent, June 1977

Method of producing an isotropic coke
patent, September 1981

Non-puffing petroleum coke
patent, January 1982

Carbon fiber production using high pressure treatment of a precursor material
patent, March 1982

Aromatic pitch production from coal derived distillate
patent, May 1984

Process for the production of premium coke from pyrolysis tar
patent, November 1986

Process for the preparation of super needle coke
patent, March 1989

Method for determining the coefficient of thermal expansion of coke
patent, September 1992

Process for producing needle coke
patent, February 1994

Process for producing petroleum needle coke
patent, December 1997

Process for the production of needle coke
patent-application, December 2005

Influence of grinding on the graduation graphitization and densification of coke powder
journal, August 1981
  • Ogawa, Ichitaro; Yoshida, Hisayoshi; Kobayashi, Kazuo
  • Journal of Materials Science, Vol. 16, Issue 8, p. 2181-2187
  • DOI: 10.1007/BF00542379

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