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Isolation of high-purity triethylenediamine (TEDA) by distillation
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Document Number
US Patent 7132538
Issued Date
November 7, 2006
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Inventors
Lang; Ortmund
(Quirnbach,DE)
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Rumpf; Bernd
(Hockenheim,DE)
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Frauenkron; Matthias
(Freinsheim,DE)
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Bosch; Marco
(Mannheim,NL)
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Berrsche; Helmut
(Hassloch,DE)
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Meier; Anton
(Birkenheide,DE)
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Abstract
Process for purifying triethylenediamine (TEDA) by disillation, in which the fractionation is carried out in a dividing wall column.
Patent Report
Tags:
isolation
highpurity
triethylenediamine
teda
distillation
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Description:
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Clever 0%
Complex 0%
Efficient 0%
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Important 0%
Innovative 0%
Interesting 0%
Practical 0%
Simple 0%
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Number of Claims:
4
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Owner
BASF Aktiengesellschaft
(Ludwigshafen,DE)
Published
November 7, 2006
Application Number
10/829,176
Filed
April 22, 2004
US Classification
544/352
Int'l Classification
C07D 487/00 (20060101)
Examiner
Tucker; Zachary C.
Attorney/Law Firm
Novak Druce & Quigg, LLP
Priority Data
Apr 29, 2003 [DE] 103 19 159
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