Granted Patent
Utility
US 6,433,092 · App. 09/800,230
Tetrafunctional initiator
Inventors:
Steven M. Krupinski, Robert J. Gorka
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Mar 6, 2001
Inventors
Steven M. Krupinski
Robert J. Gorka
Assignee (at issue)
NOVA Chemicals 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.