Granted Patent
Utility
US 5,155,187 · App. 07/649,099
Polymerization method
Inventor:
Javan Shelly
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Feb 1, 1991
Inventor
Javan Shelly
Assignee (at issue)
Quantum Chemical 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.