Granted Patent
Utility
US 5,510,565 · App. 08/360,428
Mercury removal from liquid hydrocarbon fraction
Inventors:
Shoji Tan, Yukimasa Shigemura, Shinji Abe, Junichi Narita
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Dec 21, 1994
Inventors
Shoji Tan
Yukimasa Shigemura
Shinji Abe
Junichi Narita
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.
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.