Granted Patent
Utility
US 4,922,049 · App. 07/297,640
Synthesis of cis-olefins
Inventor:
Jim D. Byers
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: Jan 13, 1989
Inventor
Jim D. Byers
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.