EP 1054716 A1 20001129 - PACKED CAPILLARIES, ESPECIALLY FOR ENANTIOMERIC SEPARATION
Title (en)
PACKED CAPILLARIES, ESPECIALLY FOR ENANTIOMERIC SEPARATION
Title (de)
GEPACKTE KAPILLAREN, INSBESONDERE FÜR DIE ENANTIOMERENTRENNUNG
Title (fr)
CAPILLAIRES GARNIS, EN PARTICULIER POUR LA SEPARATION ENANTIOMERE
Publication
Application
Priority
- DE 19807063 A 19980220
- EP 9900844 W 19990209
Abstract (en)
[origin: DE19807063A1] In the production of capillaries of a constant inner diameter over their whole length, where only an insignificant part of the particle sorbent bed has to be heated, the sorbent bed is defined by a solidified zone, formed by heat. Independent claims are also included for: (a) packed capillaries containing a chiral sorbent bed; and (b) the production of the packed capillaries, where a conventional silicate fused capillary is closed at one end with a frit. A reservoir is secured at the other end of the capillary. The capillary is filled with a prepared suspension of sorbent particle in a solvent, taken by pressure filtration from a reservoir. The solvent is exchanged for water, and a narrow zone of capillary is heated at both ends of the sorbent bed to form a frit on both sides of the bed.
IPC 1-7
IPC 8 full level
B01D 15/08 (2006.01); B01J 20/281 (2006.01); B01J 20/283 (2006.01); B01J 20/291 (2006.01); C07B 57/00 (2006.01); G01N 30/02 (2006.01); G01N 30/60 (2006.01); G01N 30/88 (2006.01); G01N 30/56 (2006.01)
CPC (source: EP)
B01D 15/3833 (2013.01); C07B 57/00 (2013.01); G01N 30/6078 (2013.01); B01D 15/34 (2013.01); B01D 15/3885 (2013.01); G01N 30/02 (2013.01); G01N 30/6052 (2013.01); G01N 2030/562 (2013.01)
Citation (search report)
See references of WO 9942192A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
DE 19807063 A1 19990826; EP 1054716 A1 20001129; JP 2002503823 A 20020205; WO 9942192 A1 19990826; WO 9942192 A8 19991014
DOCDB simple family (application)
DE 19807063 A 19980220; EP 9900844 W 19990209; EP 99914449 A 19990209; JP 2000532197 A 19990209