Granted Patent
Utility
US 6,355,851 · App. 09/711,285
Cumene synthesis process using purified benzene and propylene feedstock streams
Inventors:
Albert Wu, James T. Wei
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Nov 13, 2000
Inventors
Albert Wu
James T. Wei
Assignee (at issue)
Sunoco, Inc. (R&M)
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.