Granted Patent
Utility
US 5,786,436 · App. 08/893,445
Methods of preparing inorganic pigment dispersions
Inventors:
Stephen A. Fischer, Michael S. Wiggins, Bruce Matta
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Jul 11, 1997
Inventors
Stephen A. Fischer
Michael S. Wiggins
Bruce Matta
Assignee (at issue)
Henkel Limited
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.