Granted Patent
Utility
US 6,800,752 · App. 10/168,467
Chromatography material and a method using the same
Inventor:
Jochen Tittgen
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Aug 7, 2002
Inventor
Jochen Tittgen
Assignee (at issue)
Dr. Tittgen Biotechnologie
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.