Granted Patent
Utility
US 5,292,589 · App. 07/968,708
Laminates of wholly aromatic liquid crystalline polymers containing ionic monomer units
Inventors:
James P. Shepherd, Gerald Farrow, Kurt F. Wissbrun
Patented Case
View Patent ↗
Granted: Mar 8, 1994
Filed: Oct 30, 1992
Inventors
James P. Shepherd
Gerald Farrow
Kurt F. Wissbrun
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.