Granted Patent
Utility
US 4,482,777 · App. 06/596,212
Separation of ortho bi-alkyl substituted monocyclic aromatic isomers
Inventor:
Richard W. Neuzil
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Apr 2, 1984
Inventor
Richard W. Neuzil
Assignee (at issue)
UOP LLC
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.