Granted Patent
Utility
US 4,737,155 · App. 07/058,474
Stabilizers for improving the ozone fastness of dyes with oxadiazine-4-thione or triazine-4-thione compounds
Inventors:
Kevin L. Rollick, Joseph A. Kuczkowski
Patented Case
View Patent ↗
Granted: Apr 12, 1988
Filed: Jun 5, 1987
Inventors
Kevin L. Rollick
Joseph A. Kuczkowski
Assignee (at issue)
THE GOODYEAR TIRE & RUBBER COMPANY
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.