Granted Patent
Utility
US 5,800,607 · App. 08/675,448
Process for the preparation of liquid pigment preparations
Inventors:
Dieter Schnaitmann, Martin Bohmer, Manfred Urban
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Jul 3, 1996
Inventors
Dieter Schnaitmann
Martin Bohmer
Manfred Urban
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.