Distillation: processes – separatory – Adding material to distilland except water or steam per se – Organic compound
Patent
1991-01-09
1991-09-03
Bascomb, Jr., Wilbur
Distillation: processes, separatory
Adding material to distilland except water or steam per se
Organic compound
203 6, 203 52, 203DIG25, 558327, 558421, B01D 334, C07C25334
Patent
active
050451561
ABSTRACT:
High boiling point aromatic free hydrocarbon liquids partially substituted for isophthalonitrile during its distillation fluidize the bottoms and increase isophthalonitrile yield.
REFERENCES:
patent: 3324011 (1967-06-01), Baum
patent: 3393220 (1968-07-01), Winnick et al.
patent: 3436318 (1969-04-01), Glass
patent: 3462476 (1969-08-01), O'Donnell et al.
patent: 4116999 (1978-09-01), Barchas
patent: 4134910 (1979-01-01), Barchas et al.
Bascomb, Jr. Wilbur
Miller Robert A.
Nalco Chemical Company
Premo John G.
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