Granted Patent
Utility
US 5,332,828 · App. 08/020,914
Process for the preparation of bis (2-benzoxazolyl) stilbenes
Inventor:
Richard H. S. Wang
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Feb 22, 1993
Inventor
Richard H. S. Wang
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.