Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By addition of extraneous agent – e.g. – solvent – etc.
Reexamination Certificate
2005-07-05
2005-07-05
Dang, Thuan D (Department: 1764)
Chemistry of hydrocarbon compounds
Purification, separation, or recovery
By addition of extraneous agent, e.g., solvent, etc.
Reexamination Certificate
active
06914167
ABSTRACT:
A process for absorbing propylene from a gaseous propylene oxide process purge stream wherein propane liquid is used to absorb the propylene.
REFERENCES:
patent: 5214168 (1993-05-01), Zajacek et al.
patent: 5468885 (1995-11-01), Jubin, Jr.
Chang Te
Jubin, Jr. John C.
Arco Chemical Technology L.P.
Dang Thuan D
Long William C.
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