Granted Patent
Utility
US 5,034,443 · App. 07/525,443
Polymer stabilizer and polymer composition stabilized therewith
Inventors:
Kook Jin Bae, Curtis R. Martin
Patented Case
View Patent ↗
Granted: Jul 23, 1991
Filed: May 18, 1990
Inventors
Kook Jin Bae
Curtis R. Martin
Assignee (at issue)
Witco 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.