Granted Patent
Utility
US 4,593,075 · App. 06/608,875
Preparation of elastomeric, chlorinated ethylene polymers
Inventor:
Mahmoud R. Rifi
Patented Case
View Patent ↗
Granted: Jun 3, 1986
Filed: May 14, 1984
Inventor
Mahmoud R. Rifi
Assignee (at issue)
Union Carbide Corporation
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.