Granted Patent
Utility
US 5,118,889 · App. 07/779,667
Process for preparing allyl chloride
Inventor:
Duraisamy Muthusamy
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Oct 21, 1991
Inventor
Duraisamy Muthusamy
Assignee (at issue)
SHELL OIL 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.