Granted Patent
Utility
US 5,877,384 · App. 08/599,902
Apparatus and process for separating reaction effluent in the manufacture of cumene
Inventors:
Harold Edward Gimpel, Eric Wong, Kourosh Faiz Ghassemi
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Feb 12, 1996
Inventors
Harold Edward Gimpel
Eric Wong
Kourosh Faiz Ghassemi
Assignee (at issue)
The M.W. Kellogg 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.