POLYCYCLIC AROMATIC MOLECULES, PITCH AND GRAPHITE, HAVING LOW IMPURITIES AND LARGE CRYSTALLINE STRUCTURE, AND PRODUCTS MADE THEREFROM
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United States of America Patent
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Issued Date -
Mar 21, 2024
app pub date -
Sep 15, 2023
filing date -
Sep 16, 2022
priority date (Note) -
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Abstract
High-purity polycyclic aromatic hydrocarbons (PAHs) and the byproducts thereof, and methods for producing such products are disclosed. The PAHs may comprise an aromaticity index of about 0.65 to about 0.80. The PAHs may have quinoline insolubles and sulfur impurities of less than about 0.1 wt. % each. A tar or pitch comprising the high-purity PAHs and a method of producing such tar or pitch are disclosed. A synthetic graphite comprising high-purity PAHs is also disclosed. A method of making carbon pellets from high-purity PAHs is also disclosed.
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