Granted Patent
Utility
US 4,604,467 · App. 06/715,672
Certain 4-(3,4-dibromocyclohexyl)pyridines
Inventors:
Venkataraman Ramachandran, Paul F. Ranken
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Mar 25, 1985
Inventors
Venkataraman Ramachandran
Paul F. Ranken
Assignee (at issue)
Ethyl 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.