Granted Patent
Utility
US 5,039,813 · App. 07/546,250
2-(4-alkenylphenyl)-5-oxazolones and polymers thereof
Inventors:
Robert Fazio, Lloyd D. Taylor
Patented Case
View Patent ↗
Granted: Aug 13, 1991
Filed: Jun 29, 1990
Inventors
Robert Fazio
Lloyd D. Taylor
Assignee (at issue)
Polaroid 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.