Granted Patent
Utility
US 6,290,853 · App. 09/068,754
Chromotographic method and device in which a continuous macroporous organic matrix is used
Inventors:
Klas Allmer, Eva Berggren, Eva Eriksson, Anders Larsson, Ingrid Porrvik
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Feb 22, 1999
Inventors
Klas Allmer
Eva Berggren
Eva Eriksson
Anders Larsson
Ingrid Porrvik
Assignee (at issue)
Amersham Pharmacia Biotech, Inc.
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.