Granted Patent
Utility
US 5,370,901 · App. 07/824,311
Compositions for increasing the image contrast in diagnostic investigations of the digestive tract of patients
Inventors:
Herve Tournier, Roland Hyacinthe, Friedrich Cavagna
Patented Case
View Patent ↗
Granted: Dec 6, 1994
Filed: Jan 23, 1992
Inventors
Herve Tournier
Roland Hyacinthe
Friedrich Cavagna
Assignee (at issue)
Bracco International BV
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.