High coking value pitch

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United States of America Patent

PATENT NO 8747651
APP PUB NO 20090288983A1
SERIAL NO

12154430

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
GRAFTECH INTERNATIONAL HOLDINGS INC982 KEYNOTE CIRCLE BROOKLYN HEIGHTS OH 44131

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Ching-Feng Strongsville, US 22 120
Lewis, Irwin C Oberlin, US 60 611
Lewis, Richard T Auburn, US 41 1122
Miller, Douglas J North Olmsted, US 50 393

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