Granted Patent
Utility
US 4,873,329 · App. 06/704,038
Alkene, alkyne or cycloalkylene derivatives
Inventors:
Leslie R. Hughes, John Oldfield, Howard Tucker
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Feb 21, 1985
Inventors
Leslie R. Hughes
John Oldfield
Howard Tucker
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.