Granted Patent
Utility
US 6,318,650 · App. 09/424,513
Method for producing small-particle preparations of biologically active substances
Inventors:
Jorg Breitenbach, Hans D. Zettler
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Nov 15, 1999
Inventors
Jorg Breitenbach
Hans D. Zettler
Assignee (at issue)
BASF SE
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.