Process for preparing hydrogenated petroleum resin
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United States of America Patent
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Sep 10, 1985
Grant Date -
N/A
app pub date -
Oct 21, 1983
filing date -
Oct 23, 1982
priority date (Note) -
Expired
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Abstract
A process for preparing a hydrogenated petroleum resin in which a petroleum resin having an aromatic ring is hydrogenated by introducing hydrogen gas and the molten petroleum resin from the upper or lower part of a vertical reactor to parallel-currently pass them through a fixed bed of a supported catalyst containing platinum and/or rhodium which may be used in combination with at most 50% by weight of a metal selected from palladium, ruthenium and rhenium.
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