Method of producing high softening point pitch
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United States of America Patent
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May 22, 2007
Grant Date -
N/A
app pub date -
Jul 27, 2004
filing date -
Jul 27, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a way to increase the softening point of heavier hydrocarbons in a relatively low cost and low pressure process using superheated steam to i) increase the carbon yield of the heavier hydrocarbons, while simultaneously ii) removing volatile components with a steam stripping process.
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