EP 1615872 A1 20060118 - COOLING AND PURIFICATION OF GAS STREAMS
Title (en)
COOLING AND PURIFICATION OF GAS STREAMS
Title (de)
KÜHLUNG UND REINIGUNG VON GASSTRÖMEN
Title (fr)
REFROIDISSEMENT ET EPURATION DE FLUX GAZEUX
Publication
Application
Priority
- EP 2004003691 W 20040407
- DE 10316466 A 20030409
Abstract (en)
[origin: WO2004089864A1] Disclosed is a method for purifying and cooling a dialkyl ester A) of a gas stream containing aromatic dicarboxylic acid. Said method is characterized in that the gas stream is treated with an aliphatic dihydroxy compound B) above the melting point of the dialkyl ester A) in a first stage while the gas stream is treated with an aliphatic dihydroxy compound B) above the melting point of the dihydroxy compound B) in at least one second stage.
IPC 1-7
C07C 67/03; C07C 69/52; C07C 67/54; C08G 63/181; C08G 63/183; C08G 63/189; B01D 47/12; B01D 47/14
IPC 8 full level
B01D 53/14 (2006.01); C07C 67/48 (2006.01); C07C 67/52 (2006.01); C08G 63/181 (2006.01); C08G 63/78 (2006.01)
CPC (source: EP KR US)
B01D 53/1487 (2013.01 - EP KR US); B01D 53/1493 (2013.01 - EP KR US); C07C 67/48 (2013.01 - EP KR US); C07C 67/52 (2013.01 - EP KR US); C08G 63/181 (2013.01 - KR); C08G 63/78 (2013.01 - KR); C08G 63/181 (2013.01 - EP US); C08G 63/78 (2013.01 - EP US)
Citation (search report)
See references of WO 2004089864A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2004089864 A1 20041021; CN 100383107 C 20080423; CN 1771223 A 20060510; DE 10316466 A1 20041028; EP 1615872 A1 20060118; JP 2006523135 A 20061012; KR 20050114272 A 20051205; MX PA05010401 A 20060321; US 2006276619 A1 20061207
DOCDB simple family (application)
EP 2004003691 W 20040407; CN 200480009520 A 20040407; DE 10316466 A 20030409; EP 04726105 A 20040407; JP 2006505034 A 20040407; KR 20057019089 A 20051007; MX PA05010401 A 20040407; US 55228505 A 20051003