Granted Patent
Utility
US 4,436,949 · App. 06/420,970
Olefin conversion process
Inventors:
John W. Myers, Daniel J. Strope
Patented Case
View Patent ↗
Granted: Mar 13, 1984
Filed: Sep 21, 1982
Inventors
John W. Myers
Daniel J. Strope
Assignee (at issue)
Phillips Petroleum 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.