Granted Patent
Utility
US 5,073,280 · App. 07/535,473
Composition for inhibiting stress cracks in plastic articles and methods of use therefor
Inventors:
Charles E. Rossio, Theodore Anderson
Patented Case
View Patent ↗
Granted: Dec 17, 1991
Filed: Jun 8, 1990
Inventors
Charles E. Rossio
Theodore Anderson
Assignee (at issue)
DIVERSEY, 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.