Granted Patent
Utility
US 4,807,968 · App. 06/923,507
Polymer blends exhibiting nonlinear optical response
Inventor:
Thomas M. Leslie
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Oct 27, 1986
Inventor
Thomas M. Leslie
Assignee (at issue)
Hoechst Celanese Corporation
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.