Granted Patent
Utility
US 5,872,286 · App. 08/023,885
Dithiocarbamyl carboxylic acid and their use as multifunctional additives for lubricating oils
Inventors:
John R. Baranski, Cyril A. Migdal, Robert G. Rowland
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Feb 13, 1998
Inventors
John R. Baranski
Cyril A. Migdal
Robert G. Rowland
Assignee (at issue)
Uniroyal Chemical Company, 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.