WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO1998051391) SINGLE COLUMN CLOSED-LOOP RECYCLING WITH PERIODIC INTRA-PROFILE INJECTION
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1998/051391    International Application No.:    PCT/EP1998/002650
Publication Date: 19.11.1998 International Filing Date: 05.05.1998
Chapter 2 Demand Filed:    19.11.1998    
IPC:
B01D 15/08 (2006.01), G01N 30/44 (2006.01)
Applicants: MERCK PATENT GMBH [DE/DE]; Frankfurter Strasse 250, D-64293 Darmstadt (DE)
Inventors: GRILL, M., Charles; (US)
Agent: MERCK PATENT GMBH; Frankfurter Strasse 250, D-64293 Darmstadt (DE).
MERCK PATENT GMBH; Postfach, D-64271 Darmstadt (DE)
Common
Representative:
MERCK PATENT GMBH; Frankfurter Strasse 250, D-64293 Darmstadt (DE).
MERCK PATENT GMBH; Postfach, D-64271 Darmstadt (DE)
Priority Data:
08/857,039 15.05.1997 US
Title (EN) SINGLE COLUMN CLOSED-LOOP RECYCLING WITH PERIODIC INTRA-PROFILE INJECTION
(FR) RECYCLAGE EN CIRCUIT FERME A UNE SEULE COLONNE AVEC INJECTION PERIODIQUE DANS LE CIRCUIT
Abstract: front page image
(EN)A preparative chromatographic cyclical process utilizing a single column comprising, at steady state: (a) establishing and maintaining a circulating chromatographic profile through said column and through one solvent pump; (b) discontinuously and periodically injecting a sample comprising at least two components, into the interior of said maintained circulating profile; and (c) collecting, discontinuously and periodically, at least two enriched fractions from said circulating profile.
(FR)L'invention concerne un procédé cyclique chromatographique de préparation utilisant une colonne. Le procédé consiste, à l'équilibre, (a) à réaliser et maintenir un circuit chromatographique à travers ladite colonne et une pompe pour solvant; (b) à injecter de manière discontinue et périodique un échantillon comprenant au moins deux composants à l'intérieur dudit circuit maintenu et (c) à recueillir de manière discontinue et périodique, au moins deux fractions enrichies en provenance dudit circuit.
Designated States: JP.
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE).
Publication Language: English (EN)
Filing Language: English (EN)