Granted Patent
Utility
US 6,071,496 · App. 08/477,642
Polyalkylcyanoacrylate agents and methods for enhancing contrast in ultrasound imaging
Inventors:
Michael Stein, Dieter Heldmann, Thomas Fritzsch, Joachim Siegert, Georg Roessling, Ulrich Speck
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Jun 7, 1995
Inventors
Michael Stein
Dieter Heldmann
Thomas Fritzsch
Joachim Siegert
Georg Roessling
Ulrich Speck
Assignee (at issue)
Scharing Aktiengesellschaft
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.