Granted Patent
Utility
US 6,306,366 · App. 09/129,953
Microparticles that contain gas, galactose and a saturated fatty acid
Inventors:
Dieter Heldmann, Werner Weitschies, Thomas Fritzsch, Ulrich Speck
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Aug 6, 1998
Inventors
Dieter Heldmann
Werner Weitschies
Thomas Fritzsch
Ulrich Speck
Assignee (at issue)
SCHERING CORPORATION
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.