Method of isomerizing light hydrocarbon oil

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United States of America Patent

PATENT NO 6673233
SERIAL NO

09582436

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process for isomerizing a light hydrocarbon oil which comprises: subjecting the light hydrocarbon oil to a hydrogenation treatment for converting an organosulfur component in the light hydrocarbon oil into hydrogen sulfide to give an organosulfur content of from 0 to 30 mass ppm as a pretreatment step; and isomerizing the light hydrocarbon oil still containing the converted hydrogen sulfide in the presence of a solid super strong acid catalyst under conditions at a temperature of from 190 to 300.degree. C., a pressure of from 1 to 50 kg/cm.sup.2 g, an H.sub.2 /oil ratio of from 180 to 1800 liter/liter, and an LHSV of from 2 to 10 hr.sup.-1 as an isomerization step.

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Patent Owner(s)

Patent OwnerAddress
COSMO OIL CO LTDTOKYO
COSMO RESEARCH INSTITUTETOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Douta, Masahiko Saitama, JP 1 0
Kawamura, Takahiro Saitama, JP 104 758
Kimura, Takao Saitama, JP 43 431
Mizuno, Kunihiko Saitama, JP 2 0
Ohshio, Nobuyasu Saitama, JP 1 0

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