Granted Patent
Utility
US 6,320,043 · App. 09/341,412
Process for preparing fine-particle polysaccharide derivatives
Inventors:
Gunter Weber, Detmar Redeker, Bernd Klinksiek, Jurgen Hinderer, Benno Ulfik
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Jul 8, 1999
Inventors
Gunter Weber
Detmar Redeker
Bernd Klinksiek
Jurgen Hinderer
Benno Ulfik
Assignee (at issue)
Wolff Walsrode AG
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.