Mineral oils: processes and products – Chemical conversion of hydrocarbons – With subsequent treatment of products
Reexamination Certificate
2011-01-11
2011-01-11
Griffin, Walter D (Department: 1797)
Mineral oils: processes and products
Chemical conversion of hydrocarbons
With subsequent treatment of products
C210S651000, C208S130000
Reexamination Certificate
active
07867379
ABSTRACT:
This invention relates to a process of producing an upgraded product stream from steam cracker tar feedstream suitable for use in refinery or chemical plant processes or for utilization in fuel oil sales or blending. This process utilizes an ultrafiltration process for separating the steam cracker tar constituents resulting in a high recovery, low-energy process with improved separation and product properties.
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Corcoran Edward W.
Cundy Stephen M.
Keusenkothen Paul F.
Leta Daniel P.
Nadler Kirk C.
Bordelon Bruce M.
ExxonMobil Research and Engineering Company
Griffin Walter D
Robinson Renee
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