Granted Patent
Utility
US 6,235,892 · App. 09/468,706
Process for the purification of nucleic acids
Inventors:
Wolfgang Demmer, Dietmar Nussbaumer
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Dec 21, 1999
Inventors
Wolfgang Demmer
Dietmar Nussbaumer
Assignee (at issue)
Sartorius 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.