Granted Patent
Utility
US 6,025,530 · App. 09/018,662
Phenol tar cracking process
Inventors:
Arkady Samuilovich Dyckman, Andrey Vladimirovich Zinenkov, Boris I. Gorovits, John W. Fulmer
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Feb 4, 1998
Inventors
Arkady Samuilovich Dyckman
Andrey Vladimirovich Zinenkov
Boris I. Gorovits
John W. Fulmer
Assignee (at issue)
General Electric Company
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.