Granted Patent
Utility
US 4,514,044 · App. 06/523,607
1-(Trans-4-alkylcyclohexyl)-2-(trans-4'-(p-substituted phenyl) cyclohexyl)ethane and liquid crystal mixture
Inventors:
Tomoki Gunjima, Ryutaro Takei
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Aug 16, 1983
Inventors
Tomoki Gunjima
Ryutaro Takei
Assignee (at issue)
ASAHI GLASS CO., LTD.
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.