Granted Patent
Utility
US 5,268,118 · App. 07/745,586
Electroviscous liquids based on polymer dispersions with an electrolyte-containing disperse phase
Inventors:
Robert Bloodworth, Gunther Penners, Gunter Oppermann, Roland Flindt
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Aug 15, 1991
Inventors
Robert Bloodworth
Gunther Penners
Gunter Oppermann
Roland Flindt
Assignee (at issue)
Bayer Aktiengesellschaft
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.