Granted Patent
Utility
US 4,634,799 · App. 06/800,245
Product recovery method for dehydrocyclodimerization process
Inventors:
Edward C. Haun, David A. Hamm
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Nov 21, 1985
Inventors
Edward C. Haun
David A. Hamm
Assignee (at issue)
UOP LLC
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.