Granted Patent
Utility
US 6,536,940 · App. 10/174,178
Preparation of liquid dispersions
Inventors:
Gudrun Kolb, Hermann Stein, Klaus Viardot
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Jun 18, 2002
Inventors
Gudrun Kolb
Hermann Stein
Klaus Viardot
Assignee (at issue)
Roche Vitamins Inc.
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.