Granted Patent
Utility
US 6,329,435 · App. 09/643,078
Process for preparing monodisperse, crosslinked bead polymers having thiourea groups and their use for adsorbing metal compounds
Inventors:
Reinhold Klipper, Werner Struver, Ulrich Schnegg, Heiko Hoffmann, Dieter Mauer, Bernhard Lehmann, Bruno Hees, Holger Lutjens
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Aug 21, 2000
Inventors
Reinhold Klipper
Werner Struver
Ulrich Schnegg
Heiko Hoffmann
Dieter Mauer
Bernhard Lehmann
Bruno Hees
Holger Lutjens
Assignee (at issue)
Bayer Aktiengesellschaft
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.