Granted Patent
Utility
US 5,989,331 · App. 08/861,589
TiO.sub.2 slurry stabilization
Inventors:
Carl J. Bauer, John D. Boothe, Frank S. Scimecca, Dwaine E. Siptak
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: May 22, 1997
Inventors
Carl J. Bauer
John D. Boothe
Frank S. Scimecca
Dwaine E. Siptak
Assignee (at issue)
Southern Clay Products, 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.