Granted Patent
Utility
US 5,616,680 · App. 08/563,910
Process for producing liquid crystal polymer
Inventor:
H. Clay Linstid, III
Patented Case
View Patent ↗
Granted: Apr 1, 1997
Filed: Nov 22, 1995
Inventor
H. Clay Linstid, III
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.