Granted Patent
Utility
US 6,768,038 · App. 10/324,450
Alpha olefin production
Inventor:
Donald H. Powers
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Dec 20, 2002
Inventor
Donald H. Powers
Assignee (at issue)
Equistar Chemicals, LP
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.