Granted Patent
Utility
US 4,556,512 · App. 06/668,059
Polymerization initiator
Inventor:
Barry D. Dean
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Nov 5, 1984
Inventor
Barry D. Dean
Assignee (at issue)
Atlantic Richfield 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.