Granted Patent
Utility
US 5,834,544 · App. 08/954,773
Organic materials stabilized by compounds containing both amine and hindered phenol functional functionalities
Inventors:
Chung-Yuan Lin, R. Scott Archibald
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Oct 20, 1997
Inventors
Chung-Yuan Lin
R. Scott Archibald
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.