Granted Patent
Utility
US 6,090,252 · App. 08/849,287
Buffer system for electrophoresis and use thereof
Inventor:
Bengt Bjellqvist
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: May 30, 1997
Inventor
Bengt Bjellqvist
Assignee (at issue)
Pharmacia Biotech AB
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.