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Title: High coking value pitch

Patent ·
OSTI ID:1133956
; ; ;

A high coking value pitch prepared from coal tar distillate and has a low softening point and a high carbon value while containing substantially no quinoline insolubles is disclosed. The pitch can be used as an impregnant or binder for producing carbon and graphite articles.

Research Organization:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC26-03NT41874
Assignee:
GrafTech International Holdings Inc. (Parma, OH)
Patent Number(s):
8,747,651
Application Number:
12/154,430
OSTI ID:
1133956
Country of Publication:
United States
Language:
English

References (22)

Process for producing carbon fibers from mesophase pitch patent August 1976
Process for producing carbon fibers from mesophase pitch patent November 1976
Process for producing mesophase pitch patent April 1977
Pitch bonded carbon electrode patent April 1978
Method for treatment of oil-containing waste water by using an oil adsorbent patent June 1978
Method of producing an impregnating petroleum pitch patent June 1978
Process for the production of a petroleum pitch or coke of a high purity patent January 1982
Aromatic pitch from asphaltene fractions patent May 1985
Process for producing clean distillate pitch and/or mesophase pitch for use in the production of carbon filters patent June 1990
Solvated mesophase pitches patent November 1993
Pitch based impregnant for carbon and graphite and method patent March 1996
Method of producing p-hydroxyphenylalkanols patent April 2004
Low viscosity, high carbon yield pitch product patent December 2004
Coal tar and hydrocarbon mixture pitch production using a high efficiency evaporative distillation process patent April 2006
Method for making a low sulfur petroleum pitch patent-application November 2004
Thermodynamics of carbonaceous mesophase journal February 1999
Thermodynamics of carbonaceous mesophase: II. General theory for nonideal solutions journal May 2001
Viscosity and WLF-Type Behavior of Mesophase Pitches journal September 1986
Quantitative determination of anisotropic domain size in mesophase pitch journal January 1987
A laser desorption ionization mass spectrometry investigation of triarylboranes and tri-9-anthrylborane photolysis products journal February 2005
Evaluation of a delayed coking process by 1H and 13C n.m.r. spectroscopy: 2. Detailed interpretation of liquid n.m.r. spectra journal December 1994
Rheological characteristics of coal tar and petroleum pitches with and without additives journal January 1977

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Related Subjects

01 COAL, LIGNITE, AND PEAT