Granted Patent
Utility
US 5,216,092 · App. 07/499,480
Blends of liquid crystalline polymers of hydroquinone poly(isoterephthalates) p-hydroxybenzoic acid polymers and another LCP containing oxybisbenzene and naphthalene derivatives
Inventors:
Paul J. Huspeni, Brian A. Stern, Paul D. Frayer, Richard Layton, Markus Matzner
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Jun 4, 1990
Inventors
Paul J. Huspeni
Brian A. Stern
Paul D. Frayer
Richard Layton
Markus Matzner
Assignee (at issue)
Amoco 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.