Liquid purification or separation – Processes – Chromatography
Reexamination Certificate
2005-03-08
2005-03-08
Therkorn, Ernest G. (Department: 1723)
Liquid purification or separation
Processes
Chromatography
C210S656000, C210S198200
Reexamination Certificate
active
06863824
ABSTRACT:
A method and device for chromatographic separation producing at least two fractions are provided, in which: (i) the solvent is at least partially evaporated from the fractions produced; (ii) the solvent vapours thus produced are separated; stage (i) of the method being carried out, for at least one of the fractions, at least partially with the separated solvent vapours originating from one of the other evaporated fractions.
REFERENCES:
patent: 4293346 (1981-10-01), Landis et al.
patent: 4434027 (1984-02-01), Eversdijk
patent: 4498991 (1985-02-01), Oroskar
patent: 5434299 (1995-07-01), Negawa et al.
patent: 5498752 (1996-03-01), Negawa et al.
patent: 5705061 (1998-01-01), Moran
patent: 5763645 (1998-06-01), Negawa et al.
patent: 6004518 (1999-12-01), Green
patent: 6325898 (2001-12-01), Blehaut et al.
patent: 6379554 (2002-04-01), Kearney et al.
patent: 6602420 (2003-08-01), Kearney et al.
patent: 1091985 (1960-11-01), None
patent: 83916 (1957-01-01), None
International Search Report for FR 0202280 dated Nov. 8, 2002.
Chatel Marc
Hamende Michel
Nicoud Roger-Marc
Rebier Laurent
Millen White Zelano & Branigan P.C.
Novasep
Therkorn Ernest G.
LandOfFree
Chromatography method and device with recovery of solvent does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Chromatography method and device with recovery of solvent, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chromatography method and device with recovery of solvent will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3458386