Granted Patent
Utility
US 4,859,726 · App. 07/261,524
Bis-benzotriazolyl compounds and polymeric materials stabilized therewith
Inventors:
Richard H. S. Wang, Garry L. Myers
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Oct 24, 1988
Inventors
Richard H. S. Wang
Garry L. Myers
Assignee (at issue)
EASTMAN KODAK 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.