Granted Patent
Utility
US 4,061,503 · App. 05/727,673
Silane treatment of titanium dioxide pigment
Inventors:
Sidney Berger, George A. Salensky
Patented Case
View Patent ↗
Granted: Dec 6, 1977
Filed: Sep 29, 1976
Inventors
Sidney Berger
George A. Salensky
Assignee (at issue)
Union Carbide Corporation
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.