Granted Patent
Utility
US 5,512,527 · App. 08/278,680
Initiator systems for initiating the polymerization of ethylenically unsaturated compounds and use thereof
Inventor:
Wolfgang Ritter
Patented Case
View Patent ↗
Granted: Apr 30, 1996
Filed: Jul 21, 1994
Inventor
Wolfgang Ritter
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.