Granted Patent
Utility
US 5,635,566 · App. 08/348,225
Process for preparing dispersions stabilized with protective colloid
Inventors:
Bettina Gerharz, Matthias Kroggel
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Nov 28, 1994
Inventors
Bettina Gerharz
Matthias Kroggel
Assignee (at issue)
Hoechst 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.