Isolation of high-purity triethylenediamine (TEDA) by...

Details Isolation of high-purity triethylenediamine (TEDA) by... Isolation of high-purity triethylenediamine (TEDA) by...

2006-11-07

2006-11-07

Tucker, Zachary C. (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

Reexamination Certificate

active

07132538

ABSTRACT:
Process for purifying triethylenediamine (TEDA) by disillation, in which the fractionation is carried out in a dividing wall column.

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Lestak and Smith, “The Control of Dividing Wall Column” Chemical Engineering Research and Design, vol. 71(A3), p. 307 (1993).
Schultz M A et al.: “Reducing Costs with Dividing-Wall Columns”, CEP Magazine, ′Online! Bd. 98, NR. 5, 2002, pp. 64-71; XP00291891.
Lestak et al.: “Advanced Distillation Saves”; Chemical Engineering, McGraw-Hill, Albany, NY, US, Bd. 7, Jul. 1997, pp. 72-76; XP001156299.
Kaibel G.: “Distillation Columns with Vertical Partitions”, Chemical Engineering and Technology, Weinheim, DE, Bd. 10, 1987, pp. 92-98; XP002939161.

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