Granted Patent
Utility
US 6,440,708 · App. 09/405,987
Fermentation of clavulanic acid at a controlled level of ammonia
Inventors:
Gesina Visser-Luirink, Wilhelmus Theodorus Antonius Maria De Laat, Jeroen Martijn Klop
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Sep 27, 1999
Inventors
Gesina Visser-Luirink
Wilhelmus Theodorus Antonius Maria De Laat
Jeroen Martijn Klop
Assignee (at issue)
DSM N.V.
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.