Granted Patent
Utility
US 6,533,940 · App. 09/892,796
Process for separation in a simulated moving bed of at least one component in columns that have a suitable length to diameter ratio
Inventors:
Sylvie Lehoucq, Olivier Ludemann-Hombourger, Roger-Marc Nicoud, Michel Hamende, Emile Cavoy
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Jun 28, 2001
Inventors
Sylvie Lehoucq
Olivier Ludemann-Hombourger
Roger-Marc Nicoud
Michel Hamende
Emile Cavoy
Assignee (at issue)
Groupe Novasep
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.