Granted Patent
Utility
US 5,786,504 · App. 08/649,736
Polymerization catalyst promoter
Inventors:
Walter Nudenberg, Catherine Ann McGeary, Xu Wu Feng, Francis X. O'Shea
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: May 15, 1996
Inventors
Walter Nudenberg
Catherine Ann McGeary
Xu Wu Feng
Francis X. O'Shea
Assignee (at issue)
Uniroyal Chemical Company, Inc.
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.