Catalyst for petroleum resin hydrogenation and process for producing hydrogenated petroleum resin
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United States of America Patent
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Issued Date -
Oct 13, 2005
app pub date -
Dec 14, 2004
filing date -
Jun 18, 2002
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Abandoned
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Abstract
The present invention relates to a hydrogenation catalyst for petroleum resin containing a sulfur component which catalyst comprises palladium and platinum supported on carrier at a ratio by mass of palladium to platinum being in the range of 2.5 to 3.5, and is imparted with high hydrogenation reaction activity even in the presence of a sulfur component as well as a long service life.
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