Granted Patent
Utility
US 4,320,069 · App. 06/245,867
Oxazoline stabilized diphenylmethane diisocyanate-polymethylene polyphenyl isocyanate compositions
Inventors:
Gary L. Statton, John S. Babiec, Jr.
Patented Case
View Patent ↗
Granted: Mar 16, 1982
Filed: Mar 20, 1981
Inventors
Gary L. Statton
John S. Babiec, Jr.
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.