Mineral oils: processes and products – Chemical conversion of hydrocarbons – With preliminary treatment of feed
Reexamination Certificate
2011-01-18
2011-01-18
Griffin, Walter D (Department: 1797)
Mineral oils: processes and products
Chemical conversion of hydrocarbons
With preliminary treatment of feed
C208S085000, C208S131000, C210S651000
Reexamination Certificate
active
07871510
ABSTRACT:
This invention relates to a high-pressure ultrafiltration process to produce an improved coker feed for producing a substantially free-flowing coke, preferably free-flowing shot coke from an atmospheric and/or vacuum resid feedstock. The process of this invention utilizes a high-pressure ultrafiltration process to produce an intermediate product stream with improved the Conradson Carbon Residue (CCR) content which is utilized in either an improved delayed coking or a fluid coking process.
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Brown Leo D.
Leta Daniel P.
Siskin Michael
Barrett Glenn T.
ExxonMobil Research & Engineering Co.
Griffin Walter D
Keen Malcolm D.
Robinson Renee
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