Granted Patent
Utility
US 6,315,983 · App. 09/117,142
Process for the production of powdered pulmonary surfactant preparations
Inventor:
Klaus Eistetter
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Jul 24, 1998
Inventor
Klaus Eistetter
Assignee (at issue)
Byk Gulden Lomberg Chemische Fabrik GmbH
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.