Granted Patent
Utility
US 5,962,751 · App. 08/638,416
Phenol tar desalting method
Inventors:
Arkady Samuilovich Dyckman, Yelena N. Sarge, Vladimir I. Sarge, Boris I. Gorovits, Yury I. Petrov, Leontii M. Krasnov, Alexander S. Malinovskii, Sergey N. Chernukhin, Anatoly D. Sorokin, John V. Fulmer
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Apr 26, 1996
Inventors
Arkady Samuilovich Dyckman
Yelena N. Sarge
Vladimir I. Sarge
Boris I. Gorovits
Yury I. Petrov
Leontii M. Krasnov
Alexander S. Malinovskii
Sergey N. Chernukhin
Anatoly D. Sorokin
John V. 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.