Gas separation: apparatus – With gas and liquid contact apparatus – Particulate media – shaped packing elements – or porous media...
Reexamination Certificate
2011-08-09
2011-08-09
Griffin, Walter D (Department: 1774)
Gas separation: apparatus
With gas and liquid contact apparatus
Particulate media, shaped packing elements , or porous media...
C208S347000, C208S348000, C208S349000, C208S350000, C208S351000, C208S352000, C208S353000, C208S354000, C208S355000, C208S356000, C208S357000, C208S358000, C208S359000, C208S360000, C208S361000, C208S362000, C208S363000, C208S364000, C208S365000, C208S366000, C208S367000, C208S368000, C208S369000, C261S158000
Reexamination Certificate
active
07993435
ABSTRACT:
A process for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flashing the mixture to form a vapor phase and a liquid phase which collect as bottoms and removing the liquid phase, separating and cracking the vapor phase, and cooling the product effluent, wherein the bottoms are maintained under conditions to effect at least partial visbreaking. The visbroken bottoms may be steam stripped to recover the visbroken molecules while avoiding entrainment of the bottoms liquid. An apparatus for carrying out the process is also provided.
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Balinsky George J.
Keusenkothen Paul F.
McCoy James N.
Stell Richard C.
ExxonMobil Chemical Patents Inc.
Griffin Walter D
Young Natasha
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