Process oil, process for production of deasphalted oil, process for production of extract, and process for production of process oil

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United States of America Patent

PATENT NO 8758595
SERIAL NO

13095936

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Abstract

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The present invention is related to a process oil using as a raw material a deasphalted oil obtained by deasphalting a vacuum residual oil of a crude oil and a manufacturing method of the process oil, the process oil having properties of:

    (a) a polycyclic aromatics (PCA) content of less than 3 mass %;(b) a viscosity (100° C.) of 40 to 70 mm2/s;(c) an aniline point of 85 to 100° C.;(d) a flash point of 250° C. or higher;(e) an aromatic hydrocarbon content of 40 to 55 mass %; and(f) a polar substance content of 10 to 15 mass %.

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Patent Owner(s)

Patent OwnerAddress
IDEMITSU KOSAN CO LTDTOKYO TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Akihito Ichihara, JP 12 80
Nakamura, Masashi Ichihara, JP 225 2340
Takasaki, Masami Sodegaura, JP 5 85
Tanaka, Meishi Ichihara, JP 6 164
Teshima, Kazuhiro Ichihara, JP 13 72

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