Granted Patent
Utility
US 5,221,759 · App. 07/728,479
Cyclosiloxanes containing mesogenic side groups
Inventors:
Norman Haeberle, Wolfgang Haas, Franz-Heinrich Kreuzer
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Jul 11, 1991
Inventors
Norman Haeberle
Wolfgang Haas
Franz-Heinrich Kreuzer
Assignee (at issue)
Consortium für elektrochemische Industrie GmbH
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.